App Store guideline 2.5.12
Apps using CallKit or an SMS Fraud Extension may only block phone numbers that are confirmed spam. Unofficial explanation, not affiliated with Apple. Apple's text prevails.
- Guideline
- 2.5.12
- 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
- Apps with call, SMS or MMS blocking or spam identification must identify these features clearly in their marketing text and explain the criteria behind their blocked and spam lists.
- Data accessed through these tools may only be used to operate or improve the app or extension, and not for purposes such as tracking or building user profiles.
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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