Compare software

Energize vs FitBook: catalog facts
Energize	FitBook
Free Free and open source under the AGPL-3.0 licence.	Free Free and open source under the MIT licence, with no ads.
Android	Android
Uses Open Food Facts, USDA and Swiss food databases Barcode scanning and custom foods	Barcode scanning and OpenFoodFacts search Macro tracking and weight graphs
Pre-1.0 software still in active development Android is the main supported platform	Food data depends on OpenFoodFacts coverage Focused on nutrition rather than workouts
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0-only	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.