Nice idea but wrong numbers
The calculations on the interpolated azimuth are obviously incorrect (goes from 296 to -63 to 297. This is terrible.
Not enough ratings yet to assess 3D Interpolation.
3D Interpolation appears to be a legitimate app. AppsHunter Legitimacy Score for 3D Interpolation is 80/100.
Based on 80 of 100 points across 7 verification signals from App Store and developer data.