MicBlocker

Using Micblocker you can mute the microphone of your device and get protected by any virus, spyware, malware, backdoor, or surveillance application.

✔ Block anyone from listening to you.
✔ Protect your privacy
✔ Get notified when anyone is using your microphone.
✔ Find out which apps attempted to use your microphone when it was protected (on mute).
✔ See which apps hold microphone permission and change it.
✔ Blocking and protection of all “call/audio /speech/voice recorder” types of application.
✔ Very friendly interface.
✔ Use the home screen widget for quick access.
✔ No root required