MacroFactor

MyFitnessPal

MyFitnessPal is a comprehensive health and fitness application designed to help users track their daily nutrition, calories, and exercise routines. It provides an extensive food database containing millions of items, making it easy to log meals and monitor macronutrient intake. Beyond basic calorie counting, the platform offers goal-setting tools, progress tracking, and integration with various fitness devices and apps. Users can join a supportive community, view detailed nutritional insights, and adopt healthier lifestyle habits over the long term.

Yazio

Yazio is a nutrition and fitness tracking app that lets users log food through photo recognition, manual entry, or barcode scanning, and track calories, macros, and water intake. It also includes built-in intermittent fasting timers supporting common schedules like 16:8, 5:2, and 6:1, plus a library of more than 3,000 customizable recipes. The app can sync with other fitness trackers to automatically log activity and reports serving around 100 million users globally. Its website also offers free standalone tools including a BMI calculator, ideal weight calculator, and daily calorie intake calculator.

Nutemi

Nutemi is an AI nutrition companion that logs meals through photo, voice, text, or barcode scanning and tracks calories, macros, vitamins, minerals, and hydration. It differentiates itself with a conversational format: users can talk to Nutemi like a coach, and the AI reacts with eight distinct daily moods based on meal quality, hydration, and nutrient balance rather than presenting a plain dashboard. Beyond tracking, the app builds meal plans and food diaries, offers BMI monitoring, and supports fasting schedules. It launched in 2025 and is free to download with subscription plans required to unlock the full coaching experience.

Cronometer

Cronometer is a nutrition and diet tracking app that goes beyond basic calorie counting to monitor macronutrients and up to 95 vitamins, minerals, and other micronutrients. Food can be logged by barcode scan, photo, voice, or text search against a database of more than one million verified foods, and results sync with devices like Fitbit, Apple Health, Garmin, and Oura.

Carb Manager

Carb Manager is a nutrition-tracking app built specifically around ketogenic and low-carb eating, with a food database of over a million items and more than 5,000 keto-friendly recipes built in. It supports logging food by barcode scan, voice input, or manual search, and tracks not just calories and macros but advanced metrics like ketones, blood glucose, and the Glycemic-Ketogenic Index for users monitoring metabolic health closely. Premium features add personalized weekly meal plans, an automatically generated shopping list from those plans, and photo-based food logging, along with device syncing to Fitbit and Garmin. A free Keto Academy and active community forum round out the app for people who are new to low-carb eating and want structured guidance alongside tracking.

Lifesum

Lifesum is a digital health and nutrition platform used by more than 60 million people to track food intake and build healthier eating habits. It offers multimodal meal logging - photo recognition, voice input, text entry, and barcode scanning - along with detailed macro and micronutrient breakdowns of protein, carbs, fats, fiber, and sugar.