Blog · checked at the source
How app store search works, and how to measure it.
What Apple and Google document, what you can measure yourself, and what to do with both. Every fact is linked to its source and dated.
App Store
- App Store · Search How App Store search ranks apps: what Apple documents, and what you can measure Apple names the signals behind App Store search: text matches and user behaviour. What each covers, what Apple leaves out, and how to check it yourself. 8 min read Facts checked on 25 Oct 2026
- App Store · Keywords The App Store keyword field: how to fill its 100 characters What Apple says about the keyword field, whether App Store Connect counts characters or bytes, what to leave out, and a worked example, line by line. 7 min read Facts checked on 25 Oct 2026
- App Store · Name and subtitle App Store app name and subtitle: the 30-character rules, and what to put in each Apple's rules for the App Store app name and subtitle: limits, what counts as a character, when they change, and what the top-ranked apps put in them. 11 min read Facts checked on 26 Oct 2026
- App Store · Localizations App Store localizations and keywords: which languages each country searches Apple's table of the languages each App Store country searches, what extra localizations do for your keywords, and how to test cross-localization yourself. 11 min read Facts checked on 26 Oct 2026
- App Store · Product pages Custom product pages and keywords: how they appear in App Store search What custom product pages are, Apple's limits, how to assign keywords so one shows in App Store search instead of your default page, and how to measure it. 9 min read Facts checked on 26 Oct 2026
- App Store · A/B tests App Store product page optimization: what you can A/B test, and how to read it Apple's A/B test for your App Store page: what it can test, traffic split, 90 days, App Review, confidence, and why a winning page is not a higher rank. 11 min read Facts checked on 26 Oct 2026
- App Store · Spelling Does App Store search correct typos? Misspelled keywords, plurals and accents Does App Store search correct typos? Measured in October 2026: the misspellings it corrects, the ones it doesn't, accents, and brand names. 9 min read Facts checked on 26 Oct 2026
Google Play
Measuring rankings
- App Store · Google Play · Keywords ASO keyword research: how to find keywords from the stores' own signals Find App Store and Google Play keywords from the stores' own signals: search suggestions, Apple Ads popularity and who ranks, with a measured example. 11 min read Facts checked on 26 Oct 2026
- App Store · Google Play · Rankings How to check an app's keyword ranking, and get a number you can trust One search is not a rank. Country, device, language and the hour all move it. A method anyone can follow, with real readings: median, spread, depth. 9 min read Facts checked on 26 Oct 2026
- App Store · Google Play · Experiments Did my ASO change work? How to judge a listing change, before and after How to tell whether a name, subtitle or keyword change moved your ranks: before and after windows, settling days, medians, confounders, a decision rule. 8 min read Facts checked on 26 Oct 2026