Db volume
Not designed for iPhone, more display info with bigger screen.
no max or average values
flash opening screen shows 2displays, only access 1 on iPhone 4S.
For novice not enough info, app is too technical for novice.
Menus purpose unknown:--
#1. Response - Imp.
#2. Weighting ABCoff
#4. Leq on off
Whitenorth about
dB Volume, v2.0.5