What the free tier includes
From the app’s English Help & Guide · Reference release 1.0.12
Every protocol is free to track during elimination — including stacking. You can run as many of the 15 protocols simultaneously as you like, with the full food database, iCloud sync, the Apple Watch app, and the elimination phase experience.
Also free
Meal Check, Appointment Prep, ingredient-label scanner and scan history (with tolerance markers), Apple Health context on Today and on past challenges, optional cycle-aware logging via Apple Health, food verdicts, the Safe Foods Card PDF, full backup and restore, Carer Sharing with the Supported app, Gentle Mode, App Lock, and the Tended import.