Christopher Weems
Jumbo Calculator
FreeJumbo Calculator is the super simple large-buttoned calculator for everyone, ages 2-92.
iOSJumbo Calculator Plus
PaidJumbo Calculator Plus is the ad-free & enhanced version of Jumbo Calculator, the large buttoned calculator for everyone.
iOSCountdown: Simple Timer
FreeCountdown gives you one tap access to your three most used timer presets, whether youre timing a boiling egg or intervals between...
iOS