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.
New App
Next-gen update in preparation
We’re preparing major next-gen updates to our existing apps. Release dates to be announced.
G-Chord
Next-generation guitar chord book
U-Chord
Next-generation ukulele chord book
Chord Books (Legacy Series)
* These legacy apps were designed for earlier iOS versions. Compatibility verification on the latest iOS versions may be limited.
Make everyday tasks a little easier.
Simple and practical utility apps
Other Apps
* Some legacy apps may have limited compatibility verification on the latest iOS versions.
