Sensor Tower's State of App Engagement 2021 report shows top 500 apps globally averaged 91.7 million MAU in Q2 2021, up 8.4% Y/Y, approaching 100 million. Business apps had the highest CAGR at 42% since Q1 2018, driven by remote work. Consumers spent nearly 30 minutes daily in top entertainment apps, while social networking saw shorter sessions.
Among mobile games, shooter games averaged 7.6 million DAU, led by battle royale titles, though regulatory risks in China may affect PUBG Mobile.
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.
The Nordics have high mobile usage, with increased app installs during the pandemic. Women dominate mobile gaming but men spend more. Poor UX and privacy concerns remain, though users welcome iOS 14 changes. Marketers should measure, invest in mobile, prioritize UX, and build trust.
In 2021, global mobile app revenue reached $133B, up 19.7% Y/Y. TikTok led non-game revenue with $2.3B, while game spending hit $89.6B. Downloads stayed flat at 143.6B, with TikTok and Facebook leading installs.
SKAdNetwork reveals advertiser-publisher connections, showing Social and Gaming apps drive 92% of paid installs. Privacy thresholds cause conversion value nulls, impacting optimization. Advertisers must adapt campaign structures to overcome NOI decline and leverage limited data for LTV predictions.
ROX measures financial impact of customer experiences on campaigns, focusing on contextualized, personalized, and frictionless CX to boost engagement and LTV.
U.S. smartphone users average 46 apps monthly in H1 2021, near pre-pandemic levels. Business, Medical, and Finance apps see growth. Mobile games share drops to 33% in June 2021 from 36% in 2019.
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.
Japan's finance app category is outperforming, with H1 2026 installs up 8% YoY and sessions up 40%—nearly 5x the install growth and well ahead of global figures (5% and 29%). Stock trading is the standout subvertical: installs +90% YoY and average session length climbing to 11.7 minutes, driven by NISA reforms and a retail investor resurgence. Retention is improving across the full 30-day curve (D1 17% to 19%, D30 7% to 8%). For ad ops teams, the takeaway is clear: prioritize measurement depth, re-engagement, and channel-level quality over top-of-funnel volume alone.
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