Growth experiments for mobile apps
Mobile app growth is brutal. The average app loses 77% of users within three days. App store discovery is competitive, and paid installs are expensive. The winners focus obsessively on first-session experience, push notification strategy, and habit loops. If your day-1 retention is under 30%, nothing else matters.
Key metrics for mobile apps
day-1 retention
DAU/MAU ratio
session length
install-to-signup rate
Common growth problems for mobile apps
Your app store listing gets views but no downloads
People find your app in the store but don't download it. Your listing page isn't convincing anyone. Downloads are a fraction of your page views. The average app store conversion rate (impressions to install) is 26% on iOS and 33% on Google Play, but these numbers include top apps. For lesser-known apps, 5-10% is more realistic. If you're below 5%, your listing has a fundamental positioning problem. Apple's App Store and Google Play are visual-first platforms - the icon and first two screenshots determine 70%+ of the download decision. Most indie developers make the mistake of showing their UI in screenshots instead of showing the outcome. Headspace doesn't show their meditation timer UI - they show a calm, focused person. That's the promise, not the product.
acquisitionMobile onboarding experience is broken
Your onboarding was designed for desktop, and mobile users struggle. Forms are awkward, steps are too long, and the experience feels cramped. Mobile users churn faster as a result. This matters more than most teams realize - over 60% of SaaS traffic now starts on mobile, even for B2B products. Duolingo's entire activation flow is designed thumb-first: big buttons, minimal typing, swipe-based interaction. If your mobile onboarding asks users to fill out a multi-field form with a tiny keyboard, you're fighting human ergonomics. The gap between mobile and desktop activation is often 2-3x.
activationYour notifications annoy users into leaving
You send notifications to drive engagement but users mute them, unsubscribe, or outright churn. What was meant to retain is actually pushing people away. Research by Localytics shows that apps sending 2-5 push notifications per week see the highest retention, while those sending 6+ see opt-out rates spike by 3x. Slack nearly killed its own engagement early on by notifying users about every single message until they added smart notification batching. The irony is painful - your re-engagement strategy is your biggest churn driver. Every irrelevant ping trains users to ignore you, and once they've muted your notifications, you've lost your most effective retention channel permanently.
retentionUsers uninstall your mobile app within days
Downloads look great but uninstalls spike within the first week. Users install, poke around, and delete. Your app isn't earning a spot on their home screen. The average mobile app loses 77% of daily active users within 3 days of install according to AppsFlyer data. But top apps like Duolingo maintain 45%+ day-7 retention by delivering value within the first 60 seconds. The mobile context is ruthless - users have 80+ apps installed but use fewer than 9 daily. If your app isn't in that daily 9 within the first week, it's dead. Every unnecessary permission request, loading screen, or sign-up form is a point where users think "I'll come back later" and never do.
retentionUsers sign up and disappear
Your signup numbers look good, but users vanish after day one. They create an account, maybe poke around, then never return. You're filling a leaky bucket.
activationGrowth tips for mobile apps
Optimize your app store listing like a landing page. Test screenshots, descriptions, and preview videos. ASO (app store optimization) is free traffic.
Get users to their first value moment within 60 seconds. Every extra screen in onboarding drops completion by 20%.
Ask for push notification permissions after showing value, not on first launch. Delayed permission requests convert 2-3x better.
Build a daily habit loop. The best retention comes from apps that fit into existing daily routines - morning, commute, or bedtime.
Use deep links in every touchpoint - emails, ads, social. Sending users to the app store instead of directly into your app loses 50%+ of clicks.
Companies to learn from
These companies have published growth experiments and strategies that mobile apps can learn from. Our playbook library includes experiments inspired by their approaches.
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