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Free tools

Free ASO Tools and App Marketing Calculators

Free ASO tools and app marketing calculators for apps that are live and need more downloads: audit a listing, check the character limits, score launch readiness, compare retention to category norms and model subscription economics.

AI report

App Growth Audit

Paste a store URL. Get a store page score, the top 3 fixes and 5 sample carousel drafts for your app.

Calculator

App Store Fee Calculator

How much Apple and Google take from each dollar, by revenue type and programme.

Checker

App Store Listing Checker

Character counts, duplicate keywords and completeness score for your app store listing.

Calculator

ASO Launch Checklist

24 pre-launch tasks for App Store and Google Play. Track progress, get a readiness score.

AI report

ASO Score

Paste a store URL. Get a 0 to 100 score with findings and this-week fixes for each part of the listing.

Calculator

Retention Benchmark Checker

Retention benchmark comparison. See where you stand vs category norms.

Calculator

Subscription App LTV Calculator

Lifetime value per paying user and per install, payback period and LTV to CAC ratio for your subscription metrics.

Go further

Audit

Free App Marketing Audit

A human review of your store listing, acquisition and retention.
Service

ASO at ApsteQ

What a full app store optimisation engagement covers.
Reading

App retention benchmarks

D1, D7 and D30 by category, with sources.

Which app marketing tool answers which question

QuestionTool
Why is my listing not converting or ranking?ASO Score: paste the store URL, get a 0 to 100 score across title, description, ratings, visuals and freshness with the fixes in priority order.
Do my title, subtitle and keyword field fit the limits?App Store Listing Checker: live counters for Apple and Google fields, duplicate keyword warnings.
Am I ready to launch?ASO Launch Checklist: 24 weighted pre-launch tasks, progress saved in the link.
Is my retention normal for my category?Retention Benchmark Checker: day 1, 7 and 30 against category norms.
What can I pay per install?Subscription App LTV Calculator: lifetime value, payback and LTV to CAC from price, churn and trial conversion.
How much do Apple and Google take?App Store Fee Calculator: 15 and 30 percent rules by revenue type and programme.

App store optimisation is the cheapest growth channel an app has, because the store page is the last click before every install, paid or organic. Fix the listing before scaling ads.

Questions people ask

What is ASO and why does it matter more than ads?

App store optimisation is the work of making an app rank and convert inside the App Store and Google Play. Every install, paid or organic, passes through the store page, so a listing that converts better lowers the cost of every channel at once.

Can I audit a competitor's app listing?

Yes. The ASO Score reads any public store URL, including competitors. It only sees what the public page shows, so it never guesses at their keyword field.

What is a good day 30 retention for a mobile app?

It varies by category, which is why the benchmark checker asks for yours first. Utilities and productivity apps keep more users at day 30 than games or shopping apps. Compare to your category, not to a single global number.