Mobile Engineering Tools
App Store Metadata Validator
Enter app name, subtitle, and keyword fields to validate against App Store and Google Play character limits with ASO recommendations.
No data is transmitted — everything runs locallyTool
About this tool
App Store Metadata Validator
The App Store Metadata Validator checks iOS App Store and Google Play metadata fields against character limits with keyword duplication detection and ASO guidance.
• Validate metadata before an app store submission
• Check keyword field character count for iOS App Store
• Verify Android short description fits in 80 chars
• Review metadata for keyword duplication that reduces ASO effectiveness
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FAQ
What does this tool tell you?
The App Store Metadata Validator checks iOS App Store and Google Play metadata fields against character limits with keyword duplication detection and ASO guidance.
What affects the result most?
App name limit: iOS 30 chars, Android 50 chars — truncation in search results. Subtitle (iOS): 30 chars — secondary keyword placement field, shown below name. Short description (Android): 80 chars — shown in search before expand.
How should I use the result?
Treat the tool's output as a first-pass check, not a proof of correctness. A clean pass means no issues in the patterns this tool recognizes; a failure points to a specific problem you can investigate in your source. The underlying spec is the authoritative source for edge cases.
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