We grow apps faster, better & cheaper! From top-charting apps to the world’s biggest brands to small indie app startups, we guide you through our successes and failures to ensure that you have a proven framework to ultimately find your success. Join us LIVE on YouTube every Friday at 9am PST.
Interview with Josh Peleg on building an app studio by acquiring existing mobile apps and games. Explains a Wall Street–style playbook for buying and growing a portfolio, with emphasis on strategies to evaluate opportunities and improve monetization. Takeaway: acquisitions can accelerate an iOS business vs. building from scratch.
Interview with SocialPeta’s CMO on 2026 AI app market and $6B trends. Discusses what’s working for growth: ad intelligence insights, creative performance, UA strategies, and monetization patterns. Takeaway for iOS teams: use analytics to guide testing and optimize spend for AI-powered apps.
Review of RiseGuide, a self-improvement app focused on improving memory, focus, and communication. The video assesses real-world effectiveness and value, and compares it to MasterClass to see if it’s a better option for personal growth.
Episode explores building better iOS paywalls with AI. Guest Trent Hommeyer (Helium) shares how AI-driven approaches can inform paywall design and optimization to improve conversions, offering practical guidance for integrating AI into monetization flows for apps.
Overview of little-known app monetization tactics to convert more free users into paying customers. Shares practical strategies to improve conversion and revenue, highlighting ways teams can iterate on monetization flows. Takeaway: refine your approach to drive higher paid conversions.
Breaks down RevenueCat’s 2026 State of Subscription Apps, explaining why subscription growth is getting tougher and the report’s key benchmarks and trends. Highlights implications for iOS teams with takeaways to refine monetization strategy and focus analytics on the metrics that matter.
Shows how broken web-to-app flows lose revenue and how deep linking boosts conversions. Focuses on implementing iOS Universal Links (Associated Domains + AASA), handling continueUserActivity for routing and deferred deep links, testing App Store fallbacks, and tracking attribution/engagement to optimize monetization.
Interview with bootstrapped solo founder Zakhar Azatian on building multiple $1M+ ARR products. Discusses idea selection, validation, pricing for recurring revenue, distribution, and running as a solo builder. No iOS APIs; takeaways guide indie iOS devs on monetization strategy, product–market fit, and sustainable growth.
Explores how to sell an app or SaaS business: preparing for an exit, structuring acquisition deals, and app marketing strategies to increase buyer interest and valuation. Business-focused guidance for iOS developers/founders; no coding. Takeaway: plan your exit and marketing to maximize a successful sale.
Solo livestream breaks down effective app monetization, focusing on paywalls and pricing to drive revenue growth. Explores how to structure paywalls, choose pricing models, and optimize conversion and retention. Strategy-focused (not code), with practical takeaways for planning in-app monetization approaches.
App marketing in 2026 shifts from adding features to nailing positioning and go‑to‑market. With AI lowering launch barriers, the video explains how to stand out in a saturated app store by focusing on differentiation, audience clarity, and practical marketing execution to drive growth beyond feature work.
Conversation on lifecycle experiments to grow revenue in subscription apps. Guest Michael Gants (Encore) discusses how a new SDK can enable A/B testing across the user journey and measure impact with analytics to improve conversion and retention, supporting sustainable monetization strategies for iOS developers.
Overview of a 2026 App Store Optimization framework to grow organic downloads without paid ads. Focuses on improving App Store presence, discoverability, and conversion through structured ASO steps aimed at iOS developers managing listings. Marketing-focused; no code/APIs, just practical process and metrics.
Overview of building profitable AI-driven apps. Discusses how AI reshapes development with vibe coding, agentic workflows, and modern AI tools, and how to apply them to product features and business value. Geared to help iOS devs plan AI integration and monetization strategies.
Breakdown of how Photo Revive AI stands out in a crowded AI photo-editing market. Focuses on a narrow, high-value use case, clear positioning, and monetization tactics that drive ~$500K/month. Takeaway for iOS devs: niche down, deliver standout UX, and price/market effectively.
Interview with BeReal’s U.S. Managing Director on how the app reached 41M users by challenging social media norms. Covers high-level product strategy and growth principles for social apps. Takeaway for iOS developers: question defaults and craft focused, differentiated experiences to drive adoption.
AppAdvice’s shutdown raises uncertainty for “Apps Gone Free” campaigns and lifetime free promotions. The video discusses how this impacts app visibility and downloads, what changes developers should expect, and how to adapt marketing and promo strategies on the App Store without relying on that channel.
Liubomyr Pivtorak, CPO of Hily, shares the product experiments that grew the dating app past 40M users—how they design tests, pick metrics, read results, and iterate features. Takeaway for mobile/iOS teams: disciplined, data-driven experimentation accelerates growth and retention.
Interview with John McEvoy, solo founder of Momego, a worldwide transit tracking app. He shares how he grew to 5.2M installs and $30K/month, focusing on product choices, user acquisition, and monetization—actionable insights for indie iOS developers building and scaling consumer apps.
Advice for first‑time app builders on planning a profitable MVP before writing code. Focuses on validating demand, defining the smallest valuable feature set, and prioritizing monetization early to avoid wasted effort. Takeaway for iOS developers: prove market fit and a revenue plan before building.
Founder shares a candid retrospective on many failed ventures before launching App Masters. Covers lessons in idea validation, market fit, persistence, and pivoting. Useful takeaways for app entrepreneurs on testing fast, learning from failure, and focusing on customer needs.
Explores how LingQ reached millions of users with zero ad spend through app marketing strategies centered on organic growth. Shares practical lessons on acquiring users without paid ads and takeaways iOS developers can apply to grow apps sustainably.
A founder shares how shifting from scattered side projects to intentionally building a community led to a 7‑figure business. Focus is on relationships, consistent value, and doing work you love rather than quick marketing hacks. No iOS-specific tech; takeaway for developers: grow sustainable apps by nurturing a genuine community.
Explores how a small visual tweak combined with newsjacking (situational marketing around trending events) can rapidly boost app downloads. Highlights the importance of timing and relevance, quick experimentation, and avoiding off-brand or insensitive trends. Takeaway: iterate fast on visuals tied to current news to spark growth.
Explains Headway’s $100M+ Web2App funnel: turning web traffic into app users and revenue. Breaks down the funnel stages and messaging that boost conversion, plus principles to scale spend efficiently. Takeaway: model this web-to-app flow to improve acquisition efficiency and monetization for your iOS app.
High-level guidance on paid app marketing across Meta Ads, Apple Search Ads (ASA), CTV, and influencer channels. Emphasizes understanding what drives results before scaling spend—set up measurement, track ROI, and validate channels. Takeaway: prioritize analytics first.
Explains 5 creative frameworks to craft viral ads, stressing strategy over tools. Shows how AI video makers like Sora, InVideo, and Arcads.ai can speed production. Key takeaway: the concept and framework drive performance; AI improves execution but doesn’t replace strong messaging.
Explores a monetization strategy for subscription apps that turns churned users into revenue. Guest Michael Gants introduces Encore, an SDK designed to help implement this model. Discussion highlights how the SDK fits into existing subscription flows and practical integration considerations for iOS teams.
Introduces the Subscription Value Loop, a practical framework for growing consumer app subscription revenue. Focuses on aligning value delivery and retention to make subscriptions profitable and repeatable. Strategy-oriented guidance for iOS teams; no specific APIs or code.
ASO is getting tougher as AI‑generated apps increase competition. This video argues the most important factor is keyword research: focus on strategically chosen, relevant terms rather than only high‑volume keywords, and iterate based on performance to improve search visibility and downloads for your iOS app.
Explores why a US‑first strategy may slow growth and how focusing on your home country with strong localization drove an app to 6‑figure revenue. Emphasizes prioritizing localization/internationalization for the product and store presence. Takeaway: adapt content and messaging to local markets to scale faster.
Explains how a simple universal TV remote app earns ~$300K/month with minimal features and a basic paywall. Emphasizes solving a common need, clear pricing, and subscriptions over complex feature sets. Takeaway for iOS devs: prioritize utility and use a straightforward paywall for monetization.
Live AMA with Steve P. Young focused on app marketing trends for 2026. Expect audience Q&A and strategic insights on how to think about upcoming market shifts and growth, rather than technical implementation. Useful for developers and founders planning their app marketing.
Review of Learna, a language-learning app reportedly earning $2M/month via AI-generated ads. Highlights how AI-crafted creatives can fuel user acquisition and revenue without large teams. Takeaway for iOS developers: consider AI to produce ad assets at scale to accelerate growth and monetization.
Live coaching on scaling app growth once App Store Optimization (ASO) and Apple Search Ads (ASA) have plateaued. Explores strategies beyond the store to diversify acquisition and keep growth moving when conversion is strong but reach is capped. Non-technical, focused on marketing playbooks for app growth.
Overview of black‑hat app growth tactics that drive sudden App Store chart spikes—beyond routine screenshot optimization—highlighting how competitors may game rankings. Covers recognizing these methods, the risks and likely policy violations, and the takeaway: protect your app and focus on compliant, sustainable growth.
High-level overview of the top five app monetization trends shaping 2026, aimed at teams struggling to grow revenue. Breaks down what each trend means, why it matters, and practical steps to adapt product and pricing. Takeaway: align strategy to boost ARPU and sustainable growth.
Conversation with Kunal Nayyar on shifting from The Big Bang Theory to building app ideas and startups. Focuses on creativity, founder mindset, assembling teams, navigating product–market fit, and lessons from entertainment applied to tech. Non-technical; inspirational takeaways for aspiring app founders.
Interview with Alim Charaniya on scaling a solo-built app portfolio to $868K ARR. Discusses portfolio strategy, repeatable growth, monetization decisions, and operating efficiently as a one-person team. Practical takeaways for iOS developers on focusing efforts that drive revenue and building sustainable, scalable app businesses.
Overview of Appsflyer’s 2025 App Marketing Benchmarks report, highlighting industry trends and benchmark data every UA manager should know. Focus is on leveraging benchmarks to guide acquisition strategy, budgeting, and analytics decisions for iOS apps. Takeaway: align UA plans with current market data to drive sustainable growth.
Product leader Michael Rotella argues that optimizing retention and ARPU drives stronger growth than focusing on user acquisition. The discussion highlights keeping users engaged and increasing value per user to build sustainable apps. Takeaway for iOS teams: prioritize retention and monetization quality over sheer installs.
Part 2 covers strategies to scale Meta Ads Web2App campaigns. Steve P. Young and Igor Lyubimov discuss how to grow app installs by moving web users into the app using Meta Ads. A high-level marketing focus for teams aligning app growth with paid UA; no iOS-specific APIs or implementation details are provided.
Founder interview on bootstrapping an app to $200K/month in a competitive market. Desmond Ho shares how to grow without funding: iterate on user value, dial in pricing that converts, and focus on retention and distribution. Takeaway for iOS devs: sustainable, self-funded growth strategies over heavy funding.
Interview with Felix Braberg, an ad monetization expert credited with $450M in mobile ad revenue. Provides insights for iOS teams on growing ad-driven income and studio-level monetization strategy. No specific iOS APIs or code are referenced in the description.
Live coaching session on how smaller apps can compete with multi‑million‑dollar brands like Headway and Hip. Covers practical strategy and mindset for going head‑to‑head with larger players using limited resources. Takeaway: indie iOS developers can win by focusing on smart positioning and execution beyond code.
Indie app growth case study explaining how they achieved 100K downloads twice and $4K revenue in two months without producing content. Outlines viral distribution tactics, conversion and monetization insights, and practical lessons indie iOS developers can apply to scale acquisition and revenue.
Interview with Arya’s CEO explains why chasing virality is a poor goal and promotes a repeatable go-to-market strategy for subscription products, prioritizing sustainable growth and retention over short-lived spikes. Takeaway for iOS devs: launch with predictable acquisition and long-term value in mind for subscription apps.
Strategies to increase App Store reviews and lift an average rating stuck around 4.2–4.3. Covers when and how to ask for reviews without annoying users, optimizing prompt timing, and staying compliant with App Store rules (no incentives, minimal friction). Takeaway: ethical prompting and timing can materially boost rating volume and averages.
Conversation with Xsolla president Chris Hewish on strategies for apps and games to grow revenue beyond app stores. Explores alternative commerce channels, building direct player relationships, and practical tips for iOS teams to diversify monetization and reduce dependence on store fees.
Conversation with MeWe’s Mark Weinstein on scaling a privacy-first social network to 20M users. Discusses product and business choices that avoid data exploitation, trust-driven growth, and challenges versus ad-tracking models. Takeaway for iOS devs: design privacy by default and be transparent.
Clear30’s founders share how they grew to ~$100k ARR and why their paid ads failed. They cover acquisition economics, small‑budget tests across channels/creatives, and refocusing on retention, onboarding, and organic growth. Takeaway: validate unit economics early and avoid scaling ads before product‑market fit.
ASO isn’t dead. This video shares 5 free ASO keyword research tools the creator uses to find and evaluate keywords, check volume/competition, and track rankings to optimize App Store metadata. Goal: improve discoverability and revenue. Caveat: free tiers and metrics vary, so combine tools for better insights.
Interview with Sharad Shankar of AndOr Communications on how LightX achieved 50M+ installs for its viral AI photo app. Focuses on the growth strategy behind virality and scaling, with practical takeaways iOS developers can apply when growing AI-powered apps.
Case study of an AI learning app that reached $1.8M in year one by using Web‑to‑App funnels. It shows how routing web traffic into the native app improved conversions and revenue. Takeaway for iOS teams: create strong web entry points and optimize the handoff to your app to boost monetization.
Shares a quick, ~30-minute tactic to boost app retention and revenue. Focuses on a simple, practical change you can implement fast to keep users returning and monetize better. High-level guidance with minimal coding; useful for developers seeking easy growth wins.
Interview with indie founder Fatemeh Vahdatpour on growing Android utility apps to 7M+ installs. Focus on indie journey and growth tactics (positioning, iteration, user feedback, distribution). No iOS-specific APIs; takeaway for iOS devs: product–market fit and disciplined iteration drive scale.
Data-backed overview of what’s working in app marketing now and where it’s heading in 2025. Focuses on tactics to drive Q4 growth via acquisition, creative strategy, retention, and budget allocation grounded in measurement. Takeaway for iOS devs: prioritize analytics instrumentation and rapid experimentation to support scalable growth.
Breakdown of a simple morning routine app earning ~$1M/year. The video analyzes how focus, organic acquisition (no paid ads), and a clear monetization model drive results, sharing lessons on positioning, retention, pricing, and execution. Takeaway: build a simple, sticky utility and optimize monetization.
Interview with growth expert Nahshon “Nay” Cook-Nelson on the AI ads strategy that achieved 200M views. He discusses how AI shaped campaign planning and execution for top brands and the lessons behind rapid growth and scale. Takeaway: leverage AI to drive creative impact, reach, and performance in advertising.
Breaks down the structure of a high‑converting paywall for web‑to‑app campaigns. Focuses on how layout and messaging drive conversions and offers practical guidance for arranging content and CTAs. Useful for iOS devs optimizing paywalls for subscriptions or purchases. Takeaway: design paywalls intentionally to reduce friction and boost conversion.
Live teardown of a niche AI app (CarSnap) with growth coaching for its indie developer. Focus on positioning, feature prioritization, onboarding, retention, and acquisition tactics. Strategy-first, no code/APIs; takeaways help iOS devs refine AI product‑market fit and sustainable growth.
Alex shares the top 3 lessons learned from spending $1.5M on Instagram/Meta ads, focusing on running campaigns profitably. Expect high-level strategy, optimization guidance, and pitfalls to avoid when scaling spend. Useful for iOS teams considering paid social for user acquisition and monetization.
A MAU 2025 talk outlining seven counterintuitive strategies that have helped indie developers and leading apps scale in 2025. Emphasizes practical, data-informed approaches to growth across acquisition and retention, with actionable takeaways and pitfalls to avoid for iOS teams seeking fresh tactics.
Overview of trending and situational app marketing tactics for growth. Highlights how to choose context-aware strategies to boost acquisition, activation, and retention, and when to experiment. No code—focus on practical growth playbooks and decision-making. Takeaway: adapt, test, and iterate.
Chat with Arcads.ai’s cofounder on using AI to automate ad creative production and scale campaigns to drive $1.4M+ app revenue. Focus on generating and iterating creatives to grow installs and ROAS. Takeaway for iOS devs: apply AI-driven ad creation to speed testing, improve performance, and scale monetization.
Walkthrough on finding exactly what ads competitors run on Facebook and Instagram. Explains how to locate competitor pages, view their active creatives and variations, and analyze messaging and placements. Takeaway: benchmark competitor ads to inform your own strategy.
Explains a repeatable content production framework used by top apps to achieve virality in 2025. Covers how to structure content, systematize production, and build feedback loops to scale reach. Takeaway for iOS teams: treat content as a product with processes to iterate quickly and amplify growth.
Interview with Igor Lyubimov (web2wave, ex‑CPO FindMyKids) on building profitable web‑to‑app funnels: turning web traffic into installs and revenue. Covers practical conversion and growth tactics. Takeaway for iOS teams: craft clear paths from web to app and track what drives profit.
Debrief from MAU Vegas 2025 on mobile app growth and AI. Shares lessons on acquisition/retention strategies and using AI across marketing and product optimization. Non-code focused; practical guidance for iOS teams aligning product and growth priorities.
A 14-day case study showing how two simple paywall A/B tests doubled trial conversions, increasing revenue and retention without major redesigns or heavy dev work. Covers creating variants and measuring outcomes, demonstrating quick, low-risk experiments to optimize the subscription funnel.
Explains how to build and launch a revenue‑generating app without writing code. Covers validating an idea, defining an MVP, assembling with no‑code platforms, adding monetization, launching, and iterating from user feedback. Takeaway: reach revenue and learn fast before investing in custom iOS development.
Case study on a simple paywall A/B test that tripled revenue for an AI app without changing pricing or increasing downloads. Focuses on the experiment approach, metrics, and lessons to improve paywall conversion. Takeaway: test paywall variants to optimize revenue.
Explains how a “pain-killer” app earns about $50K/month from roughly 500 daily downloads by relying solely on App Store Optimization. Emphasizes ASO fundamentals—clear problem positioning, keyword targeting, optimized titles/subtitles and screenshots, and social proof—to boost discoverability and conversion. Takeaway: ASO can drive revenue without ads.
Overview of 2025 app monetization trends and how a data-driven approach can guide growth. Covers what tactics are gaining traction, interpreting performance signals, and adjusting strategy based on metrics. Takeaway for iOS devs: use data to iterate and scale revenue with informed monetization decisions.
Explains Apple’s newly reformed App Store payment policy after a federal ruling. Covers what changes for iOS paywalls: when you can link to external payment, fee/commission differences vs IAP, required disclosures, review‑safe wording, and rollout tips. Takeaway: update paywalls to boost revenue while staying compliant.
Explains why conventional ASO may be stalling your app’s growth. Breaks down common pitfalls and offers better tactics to improve App Store visibility and conversion. Takeaway: rethink your ASO strategy to stand out and drive installs instead of copying standard practices.
A high-level session focused on sustainable, scalable app growth in honor of Earth Day, featuring an AMA with Steve P. Young. Expect guidance on building long-term, responsible growth strategies rather than short-term hacks. Key takeaway: prioritize durable, efficient practices to scale your app sustainably.
Overview of a product‑led growth approach centered on real‑world user testing. Shows how testing insights guide feature prioritization and UX improvements so the product itself drives acquisition and retention—helping you build an app users love.
Reframes long-term skill building from a painful grind into 10,000 hours of enjoyable practice by borrowing video game tactics. Emphasizes motivation and sustained engagement through gamification concepts. Conceptual guidance only; no iOS-specific APIs or code.
Covers how to find and validate winning app ideas in 2025—what works, what doesn’t, and how to assess demand before building. Emphasizes framing problems, researching the market, testing assumptions with lightweight prototypes and user feedback, and avoiding common pitfalls. Takeaway: validate early and iterate to boost your app’s chances of success.
Discussion on how AI is reshaping the consumer subscription ecosystem to drive growth. Guest Phil Carter shares strategies and trends for acquisition, retention, and monetization. No iOS APIs or code; focus is strategic. Takeaway: evaluate AI to optimize subscription KPIs across the user lifecycle.
Special episode featuring two women leaders discussing AI in tech, product strategy, fundraising, and app growth. Offers high-level guidance on AI’s role in products, growth planning, and fundraising to scale apps. Oriented to builders; no specific iOS APIs or code.
Strategies to launch a new app with zero budget by driving organic virality. Focus on clear positioning, compelling share loops, community outreach, and scrappy distribution instead of ads, press, or a big following. Takeaway: product-led growth and free channels can earn early traction.
Interview explores Tinder’s path to $1B+ revenue, detailing the app’s monetization strategy from ex‑insider Ravi. Product-focused discussion with no iOS APIs or code. Takeaway: insights for iOS teams on shaping and iterating monetization to drive revenue growth.
Interview covers strategies for building and scaling a social media tool app to $100K MRR and a 7‑figure exit. Focus is on growth, monetization, and scaling playbooks rather than iOS APIs or code. Useful for indie iOS founders seeking lessons on revenue models, traction, and preparing for an acquisition.
Founder of 21Moves shares how a puzzle app was bootstrapped to 10M+ installs by crafting standout product experiences. Expect insights on ideation, iteration, onboarding, retention, and growth. Takeaway for iOS devs: prioritize user-centric design and rapid learning loops to scale a game.
Presents a viral-first ideation strategy: use viral videos to identify problems and behaviors with proven demand, then translate them into app concepts more likely to gain traction and revenue. Emphasizes market validation and monetization at the idea stage rather than specific iOS APIs or implementation details.
Explains why app localization is a high‑leverage growth tactic to lift conversions and revenue. Breaks down choosing target markets, translating UI and store listings, and tailoring content/pricing. Notes risks of poor translations and not measuring impact. Takeaway: prioritize localization for fast ROI.
Breakdown of Cal AI, a calorie-tracking app reportedly earning over $800K, focusing on how AI-driven positioning, feature set, and pricing power growth. Covers monetization strategy and product–market fit lessons. Takeaway: leverage AI branding and clear value to build and price successful wellness apps.
Interview focuses on scaling apps with Meta Ads by treating apps as content businesses. It emphasizes leveraging compelling creative content to drive user acquisition and campaign performance. Takeaway for iOS developers: prioritize creative iteration and content-led ad strategy to grow installs and scale efficiently.
Presents a deep linking tool as an alternative to Firebase Dynamic Links to create seamless user journeys. Covers setting up links and routing to specific screens, handling installed vs. not-installed cases with fallbacks, and compares trade-offs with Firebase. Takeaway: a streamlined, reliable deep link setup for iOS apps.
Overview of app marketing strategies for iOS: from App Store Optimization to performance marketing. Focuses on optimizing your App Store presence, leveraging paid acquisition, measuring performance, and iterating. Takeaway: pair solid ASO with data-driven campaigns to grow installs and retention.
Walkthrough of Thumsters’ ASO: iterative keyword strategy and App Store listing refinements, plus how RevenueCat supports subscription setup and performance tracking. Discusses what changed, why, and outcomes. Takeaway: use App Store Connect metadata and RevenueCat metrics to guide growth within Apple’s rules.
Explains a fast App Store Optimization strategy to quickly boost visibility and generate revenue for an app business. Focuses on actionable steps to improve your App Store presence and get results fast, aimed at reaching or scaling a six‑figure business. Takeaway: execute ASO quickly to drive measurable sales impact.
Interview on Web2App funnel strategies to grow iOS app revenue. Explores how web monetization can boost acquisition and retention by channeling web traffic into the app and aligning web and app experiences. Key takeaway: design a cohesive web-to-app journey to maximize growth and revenue impact.
Interview explores how leveraging AI together with inclusive marketing can accelerate app growth—using AI to inform strategy and inclusive practices to reach broader audiences. Emphasis on practical approaches and outcomes for app teams seeking scalable, responsible growth.
Case study on how a single App Store Optimization (ASO) change dramatically improved visibility and conversions, culminating in a 5‑figure exit. Covers the journey, key metrics to monitor, and lessons on targeting high‑impact listing tweaks and measuring results. Takeaway: consistent ASO iteration can yield outsized business outcomes for iOS apps.
Interview on running profitable Meta Ads with a $1.2K monthly budget, featuring Ben Hacker. Focuses on budgeting, campaign setup, and optimization strategies for small ad spends.
Explains how rewarded user acquisition works and when it fits your app. Shares tactics from $20M spend: set ROAS/LTV targets, cohort analysis, A/B test creatives/incentives, tune reward value, balance CPI vs user quality, monitor fraud and policy risks. Takeaway: data-driven scaling.
Identifies four key events to log in your revenue funnel, emphasizing that 63% of subscriptions occur during onboarding. Recommends tracking onboarding and purchase flow events, then using analytics funnels/cohorts to spot drop-offs and optimize paywall timing and experiments to boost in‑app purchase revenue.