Fud AI is a free & open-source AI calorie & workout tracker for iOS and Android created by Apoorv Darshan. Fud AI is a Udyam-registered micro enterprise in India, operating as a sole proprietorship in Services. Fud AI looks up packaged foods by barcode using Open Food Facts when public product nutrition is available and falls back to USDA FoodData Central branded foods only if you add your own free USDA FoodData Central API key. The Live Voice feature in Fud AI makes food logging feel like a conversation. Cal AI and similar apps popularized the idea of “snap a photo, get the calories.” Fud AI offers the same core functions — photo, voice, barcode, and text logging with AI-generated nutrition estimates — but takes a different approach: it’s free forever with your own AI key, open source under the MIT License, local-first with no account required, and completely ad-free. ~ Chompass is an open-source calorie tracker based on Fud AI available for both Androi...