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OpenNutriTrackerEnergize
Free

Free and open source.

 Free

Free and open source under the AGPL-3.0 licence.

Android, iOS Android
  • Open source calorie tracking
  • Privacy-focused design
  • Uses Open Food Facts, USDA and Swiss food databases
  • Barcode scanning and custom foods
  • Fewer features than large commercial food trackers
  • Smaller food database than commercial services
  • Pre-1.0 software still in active development
  • Android is the main supported platform
Downloadable app Downloadable app
Open source Open source
License not stated License: AGPL-3.0-only
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked October 2, 2026

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