App Research Tool

Stop Building Blind.

Analyse thousands of App Store and Google Play reviews instantly. Discover what users love, hate, and want, before writing a single line of code.

App StoreGoogle PlayAI-Powered Analysis
appreviewlens.com/app/instagram
I

Instagram

4.0 Β· 28.4M ratings
#3 Social
72
Review Sentiment
Users Love
Easy to share stories
Great photo filters
Reels discovery
Users Hate
Too many ads in feed
Algorithm hides posts
Constant crashes
Top Requests
Chronological feed option847
Edit sent messages623
Download own content412
Better search filters298
Schedule posts natively186
500+ apps analysed120K+ reviews processedBuilt for founders who validate before coding
The Problem

Most apps are built on guesswork.

Every day, users leave thousands of reviews in the App Store and Google Play.

Inside those reviews are feature requests, complaints, and ideas that could shape your product roadmap.

But finding those insights manually is nearly impossible.

AppReviewLens extracts the signal from the noise.

Raw reviews

App crashes every time I open it. Waste of storage.

Too many ads. Can't even use basic features without paying.

Please add offline mode!! I need this for commuting.

Would be great if it had dark mode and better search.

AI-extracted insights
Top complaint

App stability and crashes

Feature request

Offline mode (mentioned 847x)

Feature request

Dark mode support

Opportunity

Users want the product but hate the ads

How It Works

From search to insight in three steps.

No setup, no integrations, no waiting. Search any app and get actionable product intelligence immediately.

01

Search

Find any app across the App Store and Google Play. Competitors are surfaced automatically.

πŸ” 2M+ apps indexed
02

Analyse

AI reads hundreds of real reviews and extracts what users love, hate, and request. In seconds.

⚑ Avg. 12 sec analysis
03

Build

Use validated insights to find feature gaps, underserved markets, and real product opportunities.

🎯 Actionable insights
AI Analysis

Turn thousands of reviews into product insights.

Our AI reads hundreds of real user reviews and clusters them into clear themes: what users love, what frustrates them, and an overall sentiment score. In seconds, not weeks.

Users Love
Easy to share stories
Great filters
Fast performance

See exactly what keeps users coming back. The features and experiences they mention most positively.

Users Hate
Too many ads
Crashes frequently
Algorithm hides posts

Identify the pain points driving users away. These are opportunities for a better product.

72
Review SentimentMostly Positive

One score that tells you how users really feel about an app.

Feature Discovery

Discover features users already want.

Build what users already want. Stop guessing which features to prioritise. Let real user feedback guide your roadmap.

Top Feature Requests
Offline mode1247 mentions
Download videos982 mentions
Better search filters756 mentions
Schedule posts534 mentions
|
Competitor Research

Find and compare competitors instantly.

Search for any app and AppReviewLens automatically surfaces competitors in the same category. Compare products side-by-side and understand the full market landscape.

  • Search by app name, keyword, or category
  • Competitors surfaced automatically
  • iOS and Android results side by side
  • Analyse any app with one click

Search β€œTikTok” and also see Instagram, Snapchat, YouTube

Market Intelligence

Spot underserved markets.

Compare sentiment across entire app categories. Markets with low satisfaction and high demand are where the biggest startup opportunities hide.

Mixed
58% positive42% negative

Sudoku apps

12.4K reviews analysed
Top complaintβ€œToo many ads”
Mostly Positive
74% positive26% negative

Habit trackers

28.1K reviews analysed
Top complaintβ€œOverly complex”
Mostly Negative
35% positive65% negative

Photo editors

41.7K reviews analysed
Top complaintβ€œPaywall everything”
Validate and Discover

Validate your app idea
before building.

Don't write a single line of code before researching what users actually want. Analyse real app reviews to discover validated product opportunities.

01

Research competitors

Search any app category to see what existing apps get right and wrong. Analyse thousands of real user reviews instantly.

02

Find feature gaps

Discover what users are asking for that no one is building. These unmet needs are your product opportunity.

03

Build with confidence

Use real user data to prioritise features. Ship the product users are already requesting.

Popular apps that users hate

Find proven markets where users want the product but hate the execution.

Maximum rating2.0 or lower
1.02.03.04.05.0
Find hated apps rated 2.0 or lower

Explore popular app categories

Browse curated category analyses to find your next opportunity.

Why Reviews

Users tell you exactly what they want.Most companies ignore them.

App reviews are the largest public dataset of unfiltered user feedback on the planet.

Every complaint is a product opportunity. Every feature request is a validated idea. Every frustrated user is a potential customer for something better.

Smart founders read the reviews first.

FitTrack Pro

β€œCrashes every time I try to log a workout. Completely unusable.”

Sarah M.
BudgetWise

β€œThey removed the free features and put everything behind a paywall. Uninstalled.”

James K.
PhotoEdit+

β€œWay too many ads. I can't even crop a photo without watching a 30 second video.”

Maria L.
TaskMaster

β€œNo offline mode. What's the point of a to-do app that needs internet?”

David R.
MealPlanner

β€œThe UI is so confusing. Took me 10 minutes just to add a recipe.”

Emily W.
SleepSound

β€œBattery drain is insane. Lost 40% overnight with this running.”

Alex T.
LangLearn

β€œForces you to create an account just to see the app. No thanks.”

Chris P.
CloudNotes

β€œLost all my notes after the last update. No backup, no recovery. Terrible.”

Nina S.
FitTrack Pro

β€œCrashes every time I try to log a workout. Completely unusable.”

Sarah M.
BudgetWise

β€œThey removed the free features and put everything behind a paywall. Uninstalled.”

James K.
PhotoEdit+

β€œWay too many ads. I can't even crop a photo without watching a 30 second video.”

Maria L.
TaskMaster

β€œNo offline mode. What's the point of a to-do app that needs internet?”

David R.
MealPlanner

β€œThe UI is so confusing. Took me 10 minutes just to add a recipe.”

Emily W.
SleepSound

β€œBattery drain is insane. Lost 40% overnight with this running.”

Alex T.
LangLearn

β€œForces you to create an account just to see the app. No thanks.”

Chris P.
CloudNotes

β€œLost all my notes after the last update. No backup, no recovery. Terrible.”

Nina S.
Who It's For

Built for builders.

Whether you're validating a startup idea or prioritising your next sprint, real user feedback is your unfair advantage.

Founders

Research competitors, validate demand, and find feature gaps before writing a single line of code. Stop building products nobody asked for.

β€œWe found our niche by reading 1-star reviews of the top 3 competitors.”

Early-stage founder

Product Teams

Use real user feedback to prioritise your roadmap. Know which features to build next based on what users are actually requesting.

β€œReview analysis replaced our quarterly user surveys. Faster and more honest.”

Product manager

Indie Hackers

Find markets where users are frustrated with existing apps. These are proven opportunities with real demand but poor supply.

β€œEvery app I've shipped started with mining competitor reviews for pain points.”

Indie developer
Pricing

Simple, transparent pricing.

Start free with 5 searches. Upgrade when you need unlimited access and deeper analysis.

Free

Get started with the basics.

$0 forever
  • 5 app searches total
  • App header and rating info
  • Review summary
  • Basic sentiment overview
Best Value

Pro

For serious builders.

$149/year

~$12.42/mo

  • Unlimited searches
  • Full review analysis
  • Full sentiment breakdown
  • β€œUsers Love” and β€œUsers Hate” insights
  • Feature request detection
  • Competitor discovery
  • Market research insights

No credit card required to start. Cancel anytime.

Stop guessing.
Start building what users want.

Before building your next app, read the reviews. Join founders and product teams who validate ideas with real user data.

Free to start. No credit card required.