App Store Analytics
& ASO Research
Appstro is a free App Store analytics and ASO tool — research keywords, track competitors and follow live rankings. No sign-up.
The free ASO toolkit
Everything the paid ASO suites charge for — keyword research, competitor intelligence, market data.
ASO Score
Grade any listing 0–100 with a fix list
Free Keyword Tool
Find any app's ranking keywords, free
Keyword Research
Apple's real autocomplete + difficulty scores
Keyword Gap
You vs a competitor in live search
AI Visibility
Does AI recommend your app?
Trending Apps
Biggest chart climbers, tracked daily
Opportunity Finder
High revenue, weak competition niches
Downloads to Top
Installs/day needed to hit each rank
Compare Apps
Side-by-side ranks, ratings & age
Rank Checker
Where an app ranks for any keyword
Publisher Intel
Any developer’s portfolio & revenue
Metadata Checker
Audit titles, subtitles & keywords
Keyword Shuffler
Generate every keyword combination
Density Counter
Keyword frequency in any description
ASO Checklist
Step-by-step launch & update checklist
MCP Server
All this data inside Claude & Cursor
Search any app above to unlock its per-app tools: analytics & rank history, ads intelligence, keyword analysis, AI review insights and the ASO change timeline.
App R&D LabNew
Analyze apps & generate wireframes with AI
My Projects
View and manage your saved R&D projects
Live Top Charts
Real-timeQuick Search
Explore ASO Keywords Directory
Creative & Design
Health & Lifestyle
Utilities & Tools
Discovered Searches
What you can do with Appstro
App Store keyword research
Find the keywords an app ranks for and discover ASO opportunities to improve your own App Store optimization.
Competitor & ranking analytics
Compare any app's ranks, ratings, review counts and release age side by side to benchmark your competition.
Ratings & review analysis
Read what users love and complain about, with AI-assisted sentiment summaries across countries.
Live top charts in 175+ countries
Track the top free, paid and grossing apps in real time across more than 55 App Store storefronts.
Frequently asked questions
What is Appstro?
Appstro is a free App Store analytics and ASO tool, at appstro.dev, that helps indie developers and marketing teams research keywords, track competitors, analyze reviews, and compare app rankings across 175+ countries.
Is Appstro free to use?
Yes. You can search apps, view live top charts, and run keyword and competitor analysis on Appstro completely for free — no sign-up and no payment.
Which countries does Appstro support?
Appstro covers more than 175 App Store storefronts, including the US, UK, Canada, Australia, India, Germany, France, Japan, Brazil and many more.
Learn more about ASO
Free App Store Keyword Tool
Find the keywords any app ranks for and discover free ASO keyword research opportunities.
App Store Optimization Guide
A practical ASO guide for indie developers and marketing teams.
Popular App Store Apps
Browse stats, ratings and ASO data for the top 100 most popular and top-grossing iOS apps.