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CalorimeterOpenNutriTracker
Free

Free and open source under the GPL-3.0-or-later licence.

 Free

Free and open source.

Android Android, iOS
  • Personal food database built from the foods you actually eat
  • Scanning of purchased foods for quick entry
  • Open source calorie tracking
  • Privacy-focused design
  • Little documentation beyond the store description
  • Android only
  • Fewer features than large commercial food trackers
  • Smaller food database than commercial services
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0-or-later License not stated
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 October 2, 2026

Checked September 23, 2026

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