ReviewStack is a free app review analysis tool for the Google Play Store, Apple App Store, and Chrome Web Store. Paste any app or extension link and within seconds you get a complete picture of what users are saying: sentiment analysis, automatic complaint categorization, rating trends over time, and AI-generated insights that tell you what users love, what's broken, and what to build next.

Why it exists ?

App reviews are the most honest product feedback you'll ever get but nobody has time to read thousands of them. Star ratings hide the story: an app can hold a 4.3★ lifetime rating while its recent reviews tell a very different tale. ReviewStack reads the reviews for you and turns them into a prioritized, evidence-backed summary you can act on.

What you get from one search ?

• Sentiment analysis — the real positive/neutral/negative split across recent reviews, not just the star average.

• Automatic categorization — every review is sorted into themes: bugs, crashes, performance, UI/UX, feature requests, security & privacy, and ads/monetization complaints. See at a glance whether users are angry about pricing or about stability.

• Rating and sentiment trends — month-by-month charts that show whether things are getting better or worse, and when a problem started.

• AI-powered insights — an executive summary, the critical issues to fix first, top praises to double down on, and concrete recommendations, each grounded in the actual review text.

• Top-voted complaints — the issues other users most agree with, surfaced by upvotes, so you fix what the most people feel.

• CSV and JSON export — take the data into your own spreadsheets, dashboards, or BI tools. Works on any app — including your competitors

You don't need to own the app, connect a developer account, or install an SDK. ReviewStack analyzes any public listing, which makes it just as useful for competitive research as for monitoring your own app. Compare up to 4 apps side by side to see where competitors are weak — their angriest review categories are your product roadmap. App Store analysis supports per-country storefronts, so you can see how sentiment differs between markets.

Who it's for ?

• Product managers mining reviews for feature requests and churn drivers, and benchmarking against competitors.

• Indie and solo developers who want professional-grade review intelligence without an enterprise subscription.

• ASO specialists and growth marketers diagnosing why a rating is slipping and what's blocking conversion.

• Founders and investors doing due diligence on an app's real user satisfaction before a launch, partnership, or investment.

• Customer support and QA teams spotting bug clusters and crash reports before they show up in support tickets.

How it compares ?

Tools like Appbot and AppFollow are powerful but built for enterprise teams, with pricing and onboarding to match. ReviewStack is the lightweight alternative: no account connection, no setup, no credit card — paste a link and get answers in seconds. It covers the three biggest review sources (Google Play, Apple App Store, Chrome Web Store) in one place, including Chrome extensions, which most review tools ignore entirely.

Free during early access

ReviewStack is free for early-access users — no credit card required. The public roadmap (reviewstack.in/roadmap) is open and shaped by user feedback; upcoming features include watchlist alerts (get emailed when a tracked app's reviews shift) and AI-drafted replies to reviews.

Built by Nachatra Sharma (TheStackLabs). Try it at https://reviewstack.in — search any app and see its full review breakdown in under a minute.