5 stars: Fixed my audio!! I can't believe it actually worked!! Thank you!
5 stars: Great app fixed problems with earpiece speaker not Working
5 stars: Very nice app..
5 stars: Works great After searching in Internet, had a malware that mute my phone. I tried others applications but just this one fixed my problem. Thx so much guys!!!
4 stars: Useful app. I used it for hardware testing purposes (broken ear piece speaker). Need to fix some UI problem
5 stars: Great apps. It saved my money and time. I was going to send my phone to repair shop. My front speaker was not functioning. Then I waited for final try thinking that any app might repaired my prblm. Then I searched to store and found this beautiful app. It fixes my speaker. Hats off man. Great job. The only app I found useful in my android era.
4 stars: Helpful for testing I used this for finding resonance in my speaker enclosure
4 stars: Note 2 lte Excellent test for earpiece speaker. Just repaired phone. Seen the comments. Well it works for me...
5 stars: Well... Thanks a lot for this application
5 stars: I just wanted to test my ear speaker and the app did the job correctly thumbs up 👍
5 stars: Saved my pocket money!!
5 stars: Great app help to solve ear speaker​ problem :)
5 stars: My LG V10 was muted for a week maybe from a virus and the app fix it automatically.5 stars!!!!!
5 stars: All I need
5 stars: Works.
3 stars: Make slider logarithmic. It is impossible ...