Free ASO Tool

The all-in-one App Store Optimization tool for iOS developers. Research keywords, track rankings, audit your listing, and outsmart competitors -- all in one place.

Keyword Research

Discover high-volume, low-competition keywords for your app. Analyze search popularity, difficulty scores, and find ranking opportunities across 30+ countries.

ASO Audit

Get an instant health check on any App Store listing. Analyze title, subtitle, keywords, screenshots, ratings, and get actionable tips to improve your optimization score.

Competitor Analysis

Track competitor apps and monitor their keyword rankings. See which keywords they rank for, discover their strategy, and find gaps you can exploit to outrank them.

Rank Tracking

Monitor your keyword rankings daily across all tracked keywords. See historical trends, track improvements over time, and get alerts when your rankings change significantly.

Why Choose ASO Boost?

Free to start -- No credit card required. Get 10 keyword searches, 1 app tracked, and 5 audits per month on the free plan.

iOS-specific -- Purpose-built for the Apple App Store, not a generic SEO tool adapted for mobile.

30+ countries -- Research keywords and track rankings across all major App Store regions.

App Store Connect integration -- Edit and publish your app metadata directly from ASO Boost with the Metadata Editor (Pro).

Frequently Asked Questions

What is the best free ASO tool?

ASO Boost offers a generous free tier with 10 keyword searches per month, 1 tracked app, 5 ASO audits per month, and 1 month of historical data. It's one of the most comprehensive free ASO tools available for iOS developers.

What does an ASO tool do?

An ASO (App Store Optimization) tool helps you improve your app's visibility in the App Store. Key features include keyword research (finding what users search for), rank tracking (monitoring your positions over time), competitor analysis (seeing what works for others), and ASO auditing (identifying optimization opportunities in your listing).

How much does ASO Boost cost?

ASO Boost has a free tier and three paid plans: Lite at $15/month, Basic at $30/month, and Pro at $70/month. All plans include keyword research, with paid plans adding more tracked apps, deeper historical data, competitor tracking, and advanced features. See full pricing.

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Join thousands of iOS developers using ASO Boost to grow their organic downloads.

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Looking for alternatives? vs Sensor Tower · vs AppTweak · vs ASO.dev