Asymmetry can be an indication of something more serious..
See your audiologist.
Great concept.
I use this app with a pair of bluetooth headphones. It is great to be able isolate each ear for asymmetrical losses.
Not enough ratings yet to assess AMP Fit.
AMP Fit appears to be a legitimate app. AppsHunter Legitimacy Score for AMP Fit is 80/100.
Based on 80 of 100 points across 7 verification signals from App Store and developer data.