Pretty bad
No sound..
Response from developer
Please check to see if your "silent" switch is set to "off"? The app respects the silent switch on your device and will only playback tone sounds if the "silent" switch is set to "off".
Doesn’t produce sound
Response from developer
Please make sure the "silent" switch on your device is set to "off". The app respects the silent switch and will only playback tone sounds if the "silent" switch is set to "off".
