Make everyday life a little easier.
iPhone apps for checklists, notes, and music support tools.
News
July 10, 2026
Bringing our apps to Android
We’re expanding to Android. The notes app A-Note and the list calculator A-CalcM are now in development for Android, and we’ve resumed development of the chord books G-Chord / P-Chord / U-Chord for Android. Release dates to be announced.
Apps
P-Chord, G-Chord and U-Chord will be updated in place — the apps you already have will evolve. Release dates to be announced.
CCList
Checklist and packing list app (Available on the App Store)
K-Tuner
Guitar tuner you can use without looking (VoiceOver ready)
A-CalcM
List calculator for iPad and iPhone (three lists side by side in iPad landscape)
Discontinued apps
These are no longer distributed on the App Store. Their pages remain for the support of people who already have them installed.
E-Chord
Electric guitar chord book (Legacy app; it will be merged into G-Chord with its major update)
Details
G-Chord Pro
Acoustic guitar chord book (Legacy app; it will be merged into G-Chord with its major update)
Details
Pocket Notify
Chime reminders at the times you choose (distribution has ended)
