Free release tools
App Store & Google Play Release Notes Character Counter
Check release note length, store limits, and risky characters before you publish to the App Store or Google Play.
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Release notes
Paste or write your store release notes to validate them instantly.
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Start typing to see character counts, store limits, and validation issues.
How it works
Paste your release notes and validate them instantly for Apple App Store and Google Play requirements.
The validator checks Unicode-aware character counts, store-specific limits, invisible characters, and common formatting issues that can cause submission friction.
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Why release notes quality matters
Store release notes are often the only explanation users see before updating your app.
Clear, accurate notes reduce support questions and make each release feel intentional instead of generic.
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Platform requirements
Apple documents a 4,000 character limit for What's New in this Version.
Google Play documents a 500 Unicode character limit per language for release notes.
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Frequently asked questions
Quick answers about how these free release tools work.
Apple documents a 4,000 character limit for the What's New in this Version field in App Store Connect.
Create a free accountGoogle Play allows up to 500 Unicode characters per language for release notes.
Create a free accountStores generally accept emoji characters, but rendering can vary by device and platform. This tool flags complex symbols and invisible characters that may cause issues.
Create a free accountZero-width spaces, control characters, and malformed Unicode can break copy/paste workflows or store validation even when the text looks normal.
Create a free accountNot always. This tool uses Unicode-aware grapheme counting so emoji and combining marks are counted more accurately than plain string length.
Create a free accountRelated release tools
Use the other free tools to validate, score, and draft release notes before you ship.
HyperRelease
Keep store copy aligned across every release.
Release notes are only one part of shipping. Manage your entire release in HyperRelease.