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.
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Platforms
39
Locales
24
Categories
10
Countries
33
Blog Articles
What You Can Do
Search Any App
Search by app name or ID across both App Store and Google Play. Access apps from 39 different locales worldwide.
Negative Review Filter
Automatically filters reviews rated 1-3 stars. See only what matters — the complaints, bugs, and frustrations users report.
Word Cloud Analysis
Instantly visualize the most common complaint keywords. Spot patterns like "crash", "ads", "slow", or "subscription" at a glance.
Analytics Dashboard
Deep-dive into rating distribution, time trends, version-based complaints, and issue categories with interactive charts.
AI-Powered Insights
Get an AI-generated summary of top issues, action items, and sentiment analysis from the latest negative reviews.
CSV / JSON Export
Export filtered reviews to CSV or JSON for further analysis in spreadsheets, data tools, or team reports.
Monitoring & Alerts
Add apps to your watchlist and get email alerts when new negative reviews appear. Set keyword filters for specific issues like "crash" or "refund".
Sentiment Trends
Track how negative review volume changes over time. Spot regressions after updates and measure the impact of your fixes.
Personal Dashboard
Your command center for app review tracking. See watchlist status, monitoring badges, sentiment charts, and recent analyses at a glance.
Who 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.
Ready to See What Users Really Think?
Completely free. No sign-up required.