Tracking macros used to mean spreadsheets and kitchen scales. Now there are dozens of apps that promise to do the work for you. But most of them either drown you in data or oversimplify things to the point of uselessness. If you want to actually hit your protein, carb, and fat targets without losing your mind, you need something that fits your routine. We tested and compared the best macro tracking apps available right now to help you find the right one.
1. BodyBuddy
BodyBuddy takes a different approach to macro tracking. Instead of making you search through food databases and log every gram manually, you just text a photo of your meal to your AI coach via iMessage. The AI analyzes what you ate and tracks your macros automatically. It also sends daily check-ins and keeps you accountable through ongoing text conversations.
This works well if you hate opening apps to log food. Since everything happens in iMessage, there is no extra app to download or remember to open. The AI adapts to your goals and gives you feedback based on what you are actually eating, not just what you planned to eat.
Pricing: Starts at $8.99/month
Pros:
- No app to open, everything happens in iMessage
- Photo-based meal tracking is fast and low friction
- Daily check-ins keep you consistent
- AI coaching adapts to your eating patterns
Cons:
- iPhone only (requires iMessage)
- Less granular than manual logging apps
Best for: People who want macro awareness and accountability without the tedium of manual food logging. Try it at bodybuddy.app
2. MacroFactor
MacroFactor is built by the team behind Stronger By Science, and it shows. The app uses an algorithm that calculates your actual energy expenditure based on your food intake and weight trends over time, then adjusts your macro targets automatically. No more guessing whether your TDEE calculator was accurate.
The food logging is solid with a large database and quick search. The expenditure tracking is the real differentiator. It recalculates weekly and gives you updated targets so you do not have to manually adjust as your body adapts.
Pricing: $71.99/year (no monthly option)
Pros:
- Dynamic TDEE algorithm adjusts targets automatically
- Science-backed approach from credible team
- Clean interface without clutter
Cons:
- Annual subscription only
- Still requires manual food logging
Best for: Data-driven people who want their calorie and macro targets to evolve with them.
3. MyFitnessPal
MyFitnessPal has been around since 2005 and has the largest food database of any tracking app, with over 20 million items. Barcode scanning works on almost everything at the grocery store, and the app now includes voice logging. It tracks calories, macros, and some micronutrients.
The free version is limited. You need Premium ($19.99/month or $79.99/year) to see macro breakdowns by meal, get food analysis reports, and remove ads. The sheer size of the food database is both a strength and a weakness since user-submitted entries are sometimes inaccurate.
Pricing: Free (limited) / $19.99/month or $79.99/year for Premium
Pros:
- Largest food database available
- Integrates with 35+ apps and devices
- Barcode scanner and voice logging
Cons:
- Free version is heavily limited
- User-submitted food entries can be inaccurate
- Premium is expensive compared to alternatives
Best for: People who eat a lot of packaged foods and want the widest food database.
4. Cronometer
Cronometer is the accuracy nerd of macro tracking apps. It uses lab-analyzed data from sources like the USDA and NCCDB rather than relying on user-submitted entries. This means the numbers you see are more reliable, especially for micronutrients. It tracks 84 vitamins and minerals alongside your macros.
The interface is functional but not flashy. It appeals to people who care about data quality over design. Cronometer also syncs with wearables and tracks biometrics like blood glucose, ketones, and blood pressure.
Pricing: Free (basic) / $49.99/year for Gold
Pros:
- Most accurate nutrition data of any consumer app
- Tracks 84 micronutrients in addition to macros
- Good free tier
Cons:
- Smaller food database than MyFitnessPal
- Interface feels dated
Best for: People who want accurate data and care about micronutrients alongside macros.
5. Carb Manager
Carb Manager started as a keto tracker but has grown into a full macro tracking app. It has photo-based food logging (called Snap Foods), meal plans, recipe databases, and a grocery list feature. If you follow a low-carb or keto diet, this is probably the most tailored option.
The free version is usable but limited. Premium adds meal planning, advanced analytics, and the photo logging feature. It also tracks biometrics like ketones and blood glucose for people who monitor those.
Pricing: Free (basic) / $39.99/year for Premium
Pros:
- Tailored for low-carb and keto diets
- Photo-based food logging
- Built-in meal plans and recipes
Cons:
- Keto-centric design may not suit all diets
- Photo logging only available on Premium
Best for: People following keto or low-carb diets who want macro tracking built around that lifestyle.
6. Lose It!
Lose It! focuses on weight loss through calorie and macro tracking with a clean, colorful interface. It has a barcode scanner, photo food logging (called Snap It), and integrations with Apple Health, Fitbit, and other platforms. The app sets a daily calorie budget and breaks it down into macro targets.
The free version covers basic calorie and macro tracking. Premium ($39.99/year) adds meal planning, water tracking, and more detailed nutrient breakdowns. It is one of the more beginner-friendly options on this list.
Pricing: Free (basic) / $39.99/year for Premium
Pros:
- Clean, intuitive interface
- Good free tier for basic tracking
- Photo food logging available
Cons:
- Macro tracking is secondary to calorie counting
- Smaller food database than MyFitnessPal
Best for: Beginners who want a simple way to start tracking calories and macros.
7. Carbon Diet Coach
Carbon Diet Coach was created by Layne Norton, a well-known figure in evidence-based nutrition. Like MacroFactor, it uses an adaptive algorithm to adjust your macros based on your progress. You check in weekly, and the app recalculates your targets based on weight trends and adherence.
Carbon does not have its own food logger. It is designed to work alongside MyFitnessPal or other tracking apps. You use Carbon for the coaching and macro recommendations, then log food elsewhere. This is a strength if you already have a logging app you like, but it means you are paying for two tools.
Pricing: $9.99/month or $79.99/year
Pros:
- Adaptive macro recommendations from credible source
- Supports diet phases (cut, maintain, bulk, reverse)
- Weekly check-ins adjust targets automatically
Cons:
- No built-in food logger
- Requires pairing with a separate tracking app
Best for: Experienced lifters and dieters who want algorithm-driven macro coaching on top of their existing tracking setup.
How to pick the right macro tracking app
The right app depends on how you want to track. If you like manual logging and want precision, Cronometer or MacroFactor are strong picks. If you want something hands-off that handles tracking through text and photos, BodyBuddy removes most of the friction. If you are on keto, Carb Manager is purpose-built for that. And if you just want the biggest food database, MyFitnessPal is hard to beat.
Think about what has caused you to stop tracking in the past. For most people, it is the daily tedium of searching and logging every food item. If that sounds familiar, prioritize apps that reduce logging friction over apps that give you more data fields.
Frequently asked questions
What is macro tracking?
Macro tracking means monitoring how many grams of protein, carbohydrates, and fat you eat each day. Instead of just counting total calories, you pay attention to where those calories come from. This gives you more control over body composition, energy levels, and performance.
Do I need to track macros to lose weight?
No. You can lose weight by tracking calories alone, or even without tracking at all. But macro tracking helps you lose fat while preserving muscle, which matters if you care about how you look and feel, not just what the scale says. It also helps you understand which foods keep you full and which leave you hungry an hour later.
Are free macro tracking apps accurate enough?
It depends on the app. Cronometer's free tier uses lab-verified data and is very accurate. MyFitnessPal's free version relies partly on user-submitted entries, which can be hit or miss. For most people, a free app gets you close enough. If you need precise numbers for competition prep or medical reasons, paying for a premium app or one with verified data is worth it.
Can I track macros without manually logging every food?
Yes. Apps like BodyBuddy let you snap a photo of your meal and get an estimated macro breakdown without searching through databases. Barcode scanners in apps like MyFitnessPal and Lose It! also speed things up for packaged foods. The tradeoff is usually some loss in precision, but for most people the consistency of actually logging outweighs the accuracy of perfect numbers.
The bottom line
The best macro tracking app is the one you will actually use consistently. Fancy features do not matter if the app sits unopened on your phone. If you want to try a low-friction approach that meets you where you already are (your text messages), give BodyBuddy a shot. Otherwise, any of the apps on this list will get the job done if you stick with them.