ListenUp
Evaluate your hearing sensitivity for varying pitch
Touch to place a cursor or zoom in for detail
Select dates to see if your hearing is changing
Go to a quiet space before starting
A sine tone will start at low volume and ramp in volume
Tap the left or right ear when you are able to hear the tone
When you tap, ListenUp records the sound pressure level (SPL) in decibels
Each point in the audiogram plot is the SPL for one tap
Add multiple users from the starting page