Call Blocker Cuộc gọi điện thoại ứng dụng cho Android mô tả
Call Blocker is an app to block unwanted calls on Android.
Features:
- Block specific numbers
- Block by prefix (e.g.: 800 blocks all 800xxxxxxx)
- Blocked calls history
- Dual SIM support
- Backup and restore with optional encryption
- No ads, no tracking
- 100% open source (GPLv3)
Privacy:
- No internet connection required
- No data sent to external servers
- Your blocked numbers are stored only on your device
Compatibility:
- Android 9 - 17 (API 28+)
- Uses native Android CallScreeningService
Permissions:
- Phone: To identify and block calls
- Notifications: To alert when a call is blocked
