Quick ASOApp Store optimization guides
Short, sourced answers to the questions developers ask when they start working on App Store search. Each guide says what Apple states and marks what is common practice.
Keyword field rules
How the App Store keyword field works: the 100-character limit, commas with no spaces, which words to leave out, and a worked example you can copy.
Title and subtitle
What to put in your App Store app name and subtitle: the 30-character limits, what Apple searches, how to combine brand and keywords, with examples.
Keyword research
How to find App Store keywords worth targeting: gather candidates from autocomplete and competitors, judge demand against difficulty, and pick winners.
How search ranks apps
What Apple says decides App Store search results: text relevance from your title, subtitle, keywords and category, plus downloads, ratings and reviews.
New to this? Start with What is App Store Optimization (ASO)?, the complete guide. Not sure of a term? The ASO glossary defines them in plain English.