App Store guideline 2.5.19
Apps may not contain hidden, dormant or undocumented features. Unofficial explanation, not affiliated with Apple. Apple's text prevails.
- Guideline
- 2.5.19
- Section
- 2. Performance
- This page
- Unofficial explanation, not affiliated with Apple. Apple's text prevails.
- Version
- Guidelines last updated October 16, 2026
- Official source
- Apple's App Review Guidelines
What it means
The functionality of the app is to be clear to end users and to App Review.
What reviewers look at
The guideline says attempting to hide undocumented features in the app binary, for example through code obfuscation, is grounds for removal from the App Store and termination of the developer account.
Apple's text
This page is an unofficial explanation in our own words. Unofficial explanation, not affiliated with Apple. Apple's text prevails. Apple's wording is on its page, linked below.
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