Call Blocker

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