Software, Android >

(on F-Droid)
https://github.com/kaliturin/BlackList

Blocking unwanted calls and messages. Has extraordinarily refined functionality.

A simple way to stop unwanted calls from ringing through.

• Contact access required.
• Make and manage phone calls required.
• Phone call logs required.
• Photos, media and files on your device required.
• Send and view SMS messages required.

• Must be set as the default SMS app.

• Abandoned - The author states it is not being maintained.

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