Guides
Making the numbers mean something
What calorie scanners can and cannot tell you, where they go wrong, and how to get figures worth acting on.
·9 min read
How Accurate Are Calorie Scanners, Really?
Barcode scans, AI photo estimates and hand-logging measured against each other — with the error bars nobody puts on the marketing page.
Read →·7 min read
How to Scan Food for Calories: A Practical Guide
Barcodes, plates and fresh produce — which method suits which food, and the habits that make the numbers worth having.
Read →·8 min read
The Foods Calorie Scanners Get Wrong
Nine foods where scanning misleads — and what to do instead for each one.
Read →Stop reading, start scanning
Your first scan is free. Every guide here is free to read.
Scan a food free