Comparisons
Side-by-side reviews of nutrition trackers we have run, installed, or read the source of. Sorted newest first.
Database coverage of FOSS calorie trackers (2026)
We pulled five aisles of products at a US chain grocery and tested coverage across OFF-only, OFF+USDA, and pure-USDA FOSS calorie trackers. Where the gaps are, why they are there, and what a contributor can do about it.
Commercial vs FOSS calorie trackers — state of the art (2026)
Where commercial calorie trackers still beat FOSS in 2026, where FOSS has caught up, and where it has overtaken. Photo recognition is the one durable closed-source advantage. Database depth, charting, and export favour FOSS.
Barcode scanner accuracy across FOSS calorie trackers
Hands-on barcode scanner test across FOSS calorie trackers. Test set of 50 packaged foods under four lighting conditions. Some scanners are accurate, some are slow, some need internet.
Cronometer vs FOSS: how close can you get without paying?
Cronometer is the strongest closed-source nutrition app for micronutrient tracking. We compare its surface against Waistline + Open Food Facts + USDA bulk and find a solid 80% match for free.
FOSS calorie tracker feature matrix (2026)
A side-by-side feature matrix of ten FOSS calorie and nutrition trackers — barcode, OFF, USDA, sync, export, license, last commit, platforms. Updated quarterly.
OpenNutriTracker vs Waistline (2026)
Head-to-head of OpenNutriTracker and Waistline using a 30-item weighed bench. ONT wins on first-run UX and OFF integration, Waistline wins on database depth and export. Both are honest. Neither has photo recognition.