SlimAI vs Other Calorie Tracker Apps

Each comparison scores SlimAI and the other app feature by feature — AI logging, nutrition depth, goals and guidance, transparency, habits, and pricing — and states plainly which app leads on each point, including the rows where the competitor is stronger.

It depends on what you value. MyFitnessPal has a larger food database and deeper micronutrient tracking, while SlimAI focuses on faster AI logging, ingredient-level control, per-meal calorie ranges, and a built-in AI body fat estimate. The full comparison breaks this down row by row.

Every comparison states the date it was compiled and is based on publicly available feature descriptions from each competitor. Competitor features and pricing change, so check their official sites for the latest before deciding.

SlimAI pairs meal logging with an AI body fat estimate from two photos, ingredient-level breakdowns you can edit, in-app recipes and cooking directions, a disclosed calculation method, and per-meal calorie ranges that show what is still owed for the day.

Not on its own. A database count is a count of rows, not of foods — the same item takes a separate row for every brand spelling, plural, language, and portion variant, plus a user-submitted copy from everyone who could not find an existing one, which is why one food returns dozens of times with different calorie figures. Whole foods, counted properly, run to a few thousand worldwide; the millions are branded packaged products and duplicates. What decides whether tracking works is how often the first result is right, what happens when it is wrong, and whether a food that is not listed can still be logged — by photo, voice, barcode, or printed nutrition label. A very large catalogue still helps for obscure restaurant menu items.

SlimAI includes AI Coach, which reads the week you already logged and answers where your weight is heading, what drove it, and the single next action, with a button that opens the right screen prefilled and a written report every Monday. It is not a chatbot — every sentence comes from deterministic rules over your own data, so the same week always produces the same output, and each rule stays silent below its minimum sample. Each comparison below has a Coaching & insights section scoring this against the other app.