ASO (App Store Optimization) is the mobile-app equivalent of SEO: the systematic process of ranking higher for relevant searches on the App Store and Google Play, and converting more of the resulting traffic into installs. Where SEO targets Google's web index, ASO targets the store algorithms — which blend keyword relevance, download velocity, retention, ratings, and update cadence to decide what ranks where.
The three lever categories
- Metadata — app name, subtitle, promotional text, keyword field (iOS), short + long descriptions (Google Play). This is the keyword surface that determines what queries you rank for.
- Creatives — icon, screenshots, app preview video, custom product pages. This is the conversion surface that determines what fraction of impressions become installs.
- Off-page signals — review velocity, rating trend, keyword ranks, category ranks, install velocity. This is the algorithm feedback loop telling the store your listing is working.
Why ASO compounds so heavily: each lever improves the others. Better metadata → better keyword rankings → more impressions → more installs → better rating velocity → algorithm boosts visibility further. That positive feedback loop is what separates apps that gradually fade vs apps that grow organically over time.
Why intelligence matters more than in SEO: Apple and Google don't publish keyword search volumes, ranking factors, or competitor data. You don't see who's ranking for what without a tracker, you don't see search-volume estimates without a third-party tool, and you don't see your competitors' keyword strategies without inspection tooling. Mature ASO programs run on tools like AppTweak, Sensor Tower, MWM, Storesight, MobileAction.