// GUIDES

App Store research guides for indie developers

Short, practical guides on reading charts, interpreting revenue estimates, researching keywords and competitors, and testing an idea with Meta ads.

// READING PATH

Suggested order

// THE LIBRARY

Read them in order, or jump to the question you have today

Start here6 min read6 sections

How to Find Profitable App Ideas That Already Make Money

Find app ideas that already earn: read the grossing charts, check app age, mine 1-star reviews, look at Meta ads, then pick one gap you can fill.

Inside this guide

01Where do you find apps that already make money?
02Why does the age of an app matter?
03What do unhappy users tell you?
04Does the app run ads, and for how long?

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6 min read6 sections

How App Store Revenue Estimates Work (and Why They Err)

How App Store revenue and download estimates are built from chart rank, why category, country and pricing change them, and where the errors come from.

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6 min read6 sections

How to Read App Store Charts: Grossing, Free and Paid

Learn what top grossing, top free and top paid charts measure, what rank moves mean, how to spot climbers, and what App Store charts cannot tell you.

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5 min read5 sections

Validate App Ideas With Meta Ads: Read Ad Run Time

Use how long a Meta ad has run as a signal for your app idea: what long-running ads suggest, how to read creatives and hooks, and where the method fails.

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6 min read6 sections

Competitor Research Before Building an App: A Routine

A competitor research routine before you build an app: find direct rivals, compare ratings, complaints, ads, keywords and pricing, then decide.

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6 min read6 sections

App Store Keyword Research: A Beginner's Guide

App Store keyword research from zero: how search finds apps, popularity vs difficulty, long-tail terms, and how to track your ranks over time.

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// START

See the data for yourself

A free account shows app profiles, ratings, prices and rank history. Revenue estimates, ads and complaint themes are on the paid plan.