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ASO Tools for Indie Developers

11 free tools to optimize your App Store and Google Play listings. Keywords, descriptions, screenshots, audits — everything in one place.

Metadata

App Store Description Optimizer

Rewrite your App Store description for clarity, keyword density, and conversion. Paste your current description and get an optimized version instantly.

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Subtitle Optimizer

Craft a high-converting App Store subtitle that balances keywords with readability. Test multiple variants side by side.

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Character Counter

Check character and word counts against App Store and Google Play field limits — title, subtitle, keywords, description, and more.

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Release Notes Generator

Turn your changelog or commit messages into polished App Store release notes. Pick a tone and get ready-to-paste update text.

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Localization

Description Translator

Translate your App Store description into any language while preserving ASO keywords and natural phrasing.

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Keyword Translator

Translate your ASO keywords into other languages with locale-aware alternatives — not just direct translations.

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Keywords

Keyword Researcher

Find high-impact, low-competition keywords for your App Store listing. Enter your app category and get keyword suggestions ranked by opportunity.

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Screenshots

Screenshot Copy Generator

Generate compelling captions and taglines for your App Store screenshots. Enter your app name and features, get ready-to-use copy.

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Device Dimensions Reference

Quick reference for every App Store and Google Play screenshot size requirement — iPhone, iPad, Android phones, and tablets.

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Audit

ASO Audit

Get a full audit of your App Store listing — title, subtitle, keywords, screenshots, and description scored with actionable fixes.

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Reviews

Review Reply Generator

Generate professional replies to App Store and Google Play reviews. Paste a review, pick a tone, get 3 response options.

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Need screenshots too?

AppScreenshotStudio generates finished App Store screenshots — no design skills needed.

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