App Store keyword difficulty tools: what to trust

Keyword difficulty is useful only when you know what it measures. Compare tools by their evidence, storefront coverage and transparency before trusting a score.

A difficulty score should help you sort opportunities, not pretend to predict a guaranteed rank. The most useful tools show the country, platform and apps behind the score so you can inspect the field yourself.

A practical comparison checklist

Blog · Free ASO tools · Products · AsoTheory