Understand What Users Complain About
Unstar.app is a free tool that analyzes negative reviews from the App Store and Google Play. Search any app, see filtered 1-3 star reviews, discover common complaint patterns, and get AI-powered insights: all in one place.
Start Analyzing2
Platforms
41
Locales
26
Categories
21
Countries
375
Blog Articles
47
Comparisons
Article, comparison, and country counts are read straight from the codebase.
What You Can Do
Most of it is free. Features marked Pro need a subscription or a one-time app report.
Search Any App
FreeSearch by app name or ID across both App Store and Google Play. Access apps from 41 different locales worldwide.
Start a searchNegative Review Filter
FreeAutomatically filters reviews rated 1-3 stars. See only what matters: the complaints, bugs, and frustrations users report.
Browse popular appsWord Cloud Analysis
FreeInstantly visualize the most common complaint keywords. Spot patterns like "crash", "ads", "slow", or "subscription" at a glance.
See trending appsAnalytics Dashboard
FreeDeep-dive into rating distribution, time trends, version-based complaints, and issue categories with interactive charts.
Find an app to analyzeAI-Powered Insights
ProGet an AI-generated summary of top issues, action items, and sentiment analysis from the latest negative reviews.
See plansCSV / JSON Export
ProExport filtered reviews to CSV or JSON for further analysis in spreadsheets, data tools, or team reports.
See plansMonitoring & Alerts
ProAdd apps to your watchlist and get email or Slack alerts when new negative reviews appear. Set keyword filters for specific issues like "crash" or "refund".
See plansSentiment Trends
ProTrack how negative review volume changes over time. Spot regressions after updates and measure the impact of your fixes.
See plansApp Comparison
FreeCompare two apps side by side: ratings, negative review counts, complaint keywords, and sentiment. 47 pre-built popular comparisons available.
Compare two appsLeaderboard
FreeBrowse top apps across 26 categories and 21 countries. See which apps dominate each category on iOS and Android.
Open the leaderboardReview Plus
FreeCommunity-driven reviews. Leave your own 1-3 star review for any app. AI-moderated for quality, privacy-protected author names.
Pick an app to reviewPersonal Dashboard
FreeYour command center for app review tracking. See watchlist status, monitoring badges, sentiment charts, and recent analyses at a glance.
Open your dashboardWho Is This For?
App Developers
Understand why users give low ratings. Identify bugs, UX issues, and missing features straight from user feedback.
Product Managers
Prioritize your roadmap based on real user complaints. See which issues affect the most users across regions.
ASO & Marketing Teams
Analyze competitor weaknesses. Find keyword opportunities hidden in review language. Track sentiment trends.
QA & Support Teams
Detect regression bugs from app updates. Monitor complaint spikes. Export review data for detailed analysis.
How It Works
Search
Enter an app name or App ID. Select your platform (iOS or Android) and locale.
Analyze
View filtered negative reviews (1-3 stars), word clouds, rating distribution, and time trends.
Act
Export to CSV, get AI insights, or share specific reviews with your team. Turn complaints into improvements.
For App Developers
Want your app featured on our homepage?
Sponsored placement puts your app in front of every Unstar.app visitor, linked straight to your store page. Sponsorship never affects ratings or verdicts.
Learn moreFor Brands & Agencies
Sponsored content collaborations
We work with brands on two formats: a sponsored section inside a relevant existing article, or a standalone sponsored review of your product. Every placement is clearly labeled, and our rankings and verdicts stay independent.
See formats and ratesReady to See What Users Really Think?
Free to start: 3 app analyses a day, no credit card.