Fud AI is a free, open-source calorie and workout tracker for iOS and Android. Snap up to 10 meal photos, scan a barcode, speak, or type — AI estimates nutrition. Bring your own key (Gemini, OpenAI, Claude, and more); optional hosted AI on iPhone. No account, no ads, no tracking. Also: workout diary with an 877-exercise library, intermittent fasting, water, widgets, Apple Watch, HealthKit / Health Connect, and an AI Coach — all local-first and MIT licensed.
