ASO, Keywords and Rankings
App Store Optimization for Beginners: Complete ASO Guide
ASO improves qualified visibility and conversion through relevant metadata, realistic keywords, strong creative, localization and continuous measurement.

In this guide
Frequently asked questions
What does Apple say affects App Store search?
Apple states that search results consider text relevance—including title, subtitle, keywords and primary category—as well as user behavior such as downloads, ratings and reviews.
How many characters can I use for iOS keywords?
Apple limits the keyword field to 100 characters. App names and subtitles are each limited to 30 characters.
Should I target the highest-volume keyword?
Not automatically. Apple itself recommends considering the trade-off between popular competitive terms and less common terms that may be easier to rank for.
Are App Store rankings the same in every country?
No. Search results are storefront-specific, so track the keyword in the exact country you care about.
Sources and review standard
Platform-specific claims are linked to primary documentation where available. AppStoreStatistics public data is observed or modeled as labeled; it is not private App Store Connect data.
- Apple App Store Search
- Apple Ads — App Store discovery/search statistics
- App Store Connect acquisition analytics
- Creating your App Store product page
- Apple App Store ecosystem 2025 report