Consumer spending on mobile apps across the App Store and Google Play reached approximately $133 billion in 2021, representing 19.7% year-over-year growth from $111.1 billion in 2020, mirroring the pre-pandemic growth rate. The App Store accounted for $85.1 billion, up 17.7%, while Google Play grew 23.5% to $47.9 billion. Non-game app TikTok maintained dominance with $2.3 billion in consumer spending, while Google One topped Google Play revenue.
First-time installs remained relatively flat at 143.6 billion, with TikTok being the most downloaded app on the App Store and Facebook leading on Google Play. Mobile game spending grew 12.6% to $89.6 billion, representing 67.4% of total app spending, down from 71.7% in 2020 as non-game categories like Entertainment gained share. Games accounted for 61.5% of iOS revenue and 78% of Google Play revenue, with Honor of Kings and Coin Master as the top grossers on each platform.
Game installs declined slightly by 1.6% to 55.3 billion, with Garena Free Fire leading on Google Play and PUBG Mobile on the App Store. Overall, the mobile market normalized after the 2020 surge, with sustained growth in non-game categories.
App engagement is vital for retention and monetization. Key metrics include sessions, retention, and DAU/MAU. Strategies: effective onboarding, personalization, push notifications, and deep linking improve engagement and reduce churn.
Japan led per capita mobile spending at $149 in 2020-2021, up 18% YoY. Top 10 markets grew 22% YoY to $65.4B. Thailand saw largest per capita growth increase.
Eight mobile games, including PUBG Mobile, Honor of Kings, and Genshin Impact, each earned over $1 billion globally in 2021. The top two, PUBG Mobile and Honor of Kings, each generated $2.8 billion. This record surpasses 2020's five billion-dollar games.
European finance app installs hit 960M in 2025 but grew only 0.4%. BNPL apps grew 40% while crypto fell 35%, signaling a shift to utility. Neobanks win acquisition; traditional banks win retention (1.5-2x Day 30 rates). Web-to-app drives 41.8% of conversions but most brands can't measure the handoff. Nearly 1 in 2 investment app installs in Western Europe is fraudulent, distorting CPI and ROAS. Winning brands prioritize engagement, fraud detection, and cross-platform measurement.
Cross-platform measurement resolves the common problem of fragmented, device-level reporting that inflates ROAS and misallocates budgets. By unifying customer identity across web, mobile, CTV, and other surfaces, marketers gain a single view of LTV and attribution. AppsFlyer provides this via CUID stitching and Product Line grouping, enabling real-time, deduplicated insights without manual BI work. Key benefits include accurate cross-platform ROAS, elimination of duplicate attribution, and reliable data for AI-driven optimization.
Programmatic advertising automates media buying using AI, enabling real-time ad sales and personalized targeting. It spans channels like display, video, and social, offering efficiency and lower costs.
Top 500 apps reached record 91.7M MAU in Q2 2021, growing 8.4% Y/Y. Business apps led with 42% CAGR since Q1 2018. Entertainment apps average 29 minutes daily, shooters lead DAU in mobile games.
Marketing attribution is critical for connecting spend to revenue, but platform self-reporting and last-click bias distort budget decisions. Single-touch models (first/last-click) are simple but miss the full journey; multi-touch models (position-based, data-driven) are more accurate but require robust data. Mobile attribution is particularly challenging due to ATT, SKAdNetwork, and cross-platform gaps, necessitating a mobile measurement partner (MMP) for independent, deduplicated measurement. Clean attribution data is essential for AI-driven optimization—bad signals lead to bad decisions. Starting with position-based attribution and incrementality testing provides a practical foundation.
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