sonarFree ASO tools
Audit a listing, find keywords, check where you rank and design screenshots — on the same live store data the Sonar app uses.
- No signup
- App Store and Google Play
- Live store data
Tools
ASO Score Checker
Paste any App Store or Google Play URL and get a free audit of your listing. Checks title length, description, screenshots, ratings, and more against ASO best practices.
Keyword Generator
Enter an app description or store URL and get keyword suggestions ranked by difficulty, popularity, and opportunity. Export results as CSV.
USApp Rank Tracker
Paste your app URL and any keywords to see exactly where you rank on the App Store or Google Play, in any country. Live results, export as CSV.
Screenshot Generator
Design App Store and Google Play screenshots in your browser — templates, device frames, localization, exact-size ZIP export. Nothing is uploaded or stored.
Research library
Browse real keyword data and category insights — updated regularly with fresh store data.
Keyword Difficulty
Browse difficulty scores for hundreds of keywords. Each page shows the top 10 ranking apps, competition analysis, and actionable ASO tips.
ASO Guides by Category
Category-specific ASO strategies for 20+ app categories. Keyword opportunities, difficulty analysis, and optimization tips for indie developers.
Country ASO Guides
Market-specific ASO strategies for 40+ countries. Localization tips, language insights, sample keyword difficulty, and store availability.
App Comparisons
Side-by-side app comparisons with real data. Ratings, reviews, keyword overlap, ASO scores, and head-to-head analysis.
Ready for the full toolkit?
Daily rank tracking, keyword research, competitor analysis, and alerts — 10 apps and 2,500 keywords in a single flat-price plan.
7-day free trial · Card required, $0 today · Cancel anytime