Listening stops in the background
Open the app’s Battery settings and allow unrestricted background use. On Samsung, remove the app from Sleeping apps. On Xiaomi, Redmi, Oppo, OnePlus, Vivo, or Huawei, also allow auto-start and background activity.
Support
Practical help for Android background listening
Start with the three tests
- Open Setup and run the clap sensitivity test.
- Run the whistle sensitivity test with one steady note.
- Run Test alert with your normal silent, vibration, Bluetooth, and Do Not Disturb settings.
Detection depends on distance, room noise, bags, drawers, and the phone’s microphones. Detection from another room is not guaranteed.
Claps are missed
Move the phone out of a closed drawer or thick bag, raise clap sensitivity a little, and use two distinct claps. Soft furnishings absorb sharp sounds.
Music or speech triggers an alert
Lower the matching sensitivity, require two or three claps, and increase the detection cooldown. A whistle works best as one steady note rather than singing.
No sound in Do Not Disturb
The alert uses Android’s alarm audio channel, but your Do Not Disturb rules can still limit it. Open the app and run Test alert with the same mode you normally use.
Bluetooth headphones are connected
Alarm routing varies by phone and headset. Run Test alert before relying on the finder; disconnect the headset if the alert is not coming from the phone speaker.
After a restart or force stop
Modern Android does not allow the microphone service to restart silently after reboot. Tap the resume notification. After Force stop, open the app again.
Another app uses the microphone
Calls, camera apps, recorders, and voice assistants can interrupt microphone access. ClapWhistle reports the interruption and retries after the microphone is available.
The flashlight does not flash
Allow camera access and close any app using the camera. The alarm and vibration still work on devices without a flashlight or when camera access is denied.
Still stuck?
Email omdeeppiyanp@gmail.com and include your phone model, Android version, whether listening is active in the notification, and which setup test failed. Do not send recordings or private conversation content.