Call Blocker
The facts below are what the maker publishes about Call Blocker, checked and dated. Our editors have not written about it yet.
The facts
Each one read from Call Blocker's own pages, with the date it was checked.
Where it runs
- Android support
- The maker states compatibility with Android 9 through 17 (API 28+).checked 11 Oct 2026
- Languages and appearance
- The interface is available in Spanish and English, and the app forces dark theme.checked 11 Oct 2026
What it does
- Backup
- It supports complete backup and restore, with optional AES-256-GCM encryption.checked 11 Oct 2026
- Backup formats
- Backups can be saved as readable JSON or encrypted .cbbk files.checked 11 Oct 2026
- Backup security
- Backups can optionally be encrypted with AES-256-GCM; unencrypted JSON backups are readable.checked 11 Oct 2026
- Call history
- The app can show a history of blocked calls.checked 11 Oct 2026
- Compatibility
- The project states compatibility with Android 9–17 (API 28+).checked 11 Oct 2026
- Dual SIM
- Blocking can be configured separately for each SIM card.checked 11 Oct 2026
- F-Droid
- The maker says the app is being reviewed for inclusion in F-Droid and its status is pending review.checked 11 Oct 2026
- F-Droid status
- The project README says it is pending review for inclusion in F-Droid.checked 11 Oct 2026
- Languages
- The interface is available in Spanish and English.checked 11 Oct 2026
- License
- The project says it is licensed under GNU General Public License v3.0.checked 11 Oct 2026
- Notifications
- The maker lists blocked call notifications as unfinished.checked 11 Oct 2026
- Number blocking
- The app can block specific numbers and numbers matching a prefix.checked 11 Oct 2026
- Permissions
- The app lists phone-state, call-log, call-answering, notification, and call-screening permissions with their stated uses.checked 11 Oct 2026
- Private numbers
- The app includes a setting to block private numbers.checked 11 Oct 2026
- Purpose
- Call Blocker is an Android app to block unwanted calls.checked 11 Oct 2026
- Release limits
- The README marks blocked-call notifications as not yet implemented.checked 11 Oct 2026
Alternatives to Call Blocker
- 1
RoboKiller
Free planAndroidiOSWebAPI8.1From $31.99 a year - 2
Whoscall
Free planAndroidiOSWeb8.1From $27 a year - 3
Getcontact
Free planAndroidiOSWeb8.0From $18.99 a year - 4
YouMail
Free planAndroidiOSWebAPI8.0From $5.99 a month - 5
NumBuster
Free planAndroidiOSWeb7.6Free plan - 6
Hiya Spam Blocker
Free planAndroidiOS7.1From $24 a year