Best Free Macro Calculator Diet Apps

245+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated September 2026

Looking for free free macro calculator diet apps? 19 of our 245+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Free Macro Calculator Diet Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1MacroFactor - Macro TrackerMacroFactor - Macro TrackerFree4.8★ (22K)NoYesSep 2026
2Macro_CalculatorMacro_CalculatorFreeNoNoMay 2026
3Macro & Calorie CalculatorMacro & Calorie CalculatorFree5.0★ (1)NoYesJul 2026
4Calorie Deficit CalculatorCalorie Deficit CalculatorFree4.7★ (3.7K)NoYesSep 2026
5Try MacroTry MacroFree4.2★ (5)YesNoMay 2026
6Keto Calculator - Keto BuddyKeto Calculator - Keto BuddyFree4.6★ (8.4K)NoNoSep 2026
7Macros: Calorie CalculatorMacros: Calorie CalculatorFreeYesNoSep 2026
8Macros - Calorie CounterMacros - Calorie CounterFree4.7★ (977)YesYesSep 2026

Top Picks for Free Macro Calculator Diet

MacroFactor - Macro Tracker#1

MacroFactor - Macro Tracker by Stronger By Science Technologies LLC

Calorie Counter & Food Log
Editor's Choice
💪 Health & Fitness
4.8😊(22K ratings)
FreeIn-App Purchases
#11in Health & Fitness
MacroFactor - Macro Tracker screenshot 1
MacroFactor - Macro Tracker screenshot 2
MacroFactor - Macro Tracker screenshot 3
MacroFactor - Macro Tracker screenshot 4
MacroFactor - Macro Tracker screenshot 5
MacroFactor - Macro Tracker screenshot 6

This app uses a dynamic algorithm to adapt your calorie and macro targets based on your metabolism and progress. It offers tools for quick food logging, a verified database, and personalized coaching to help you achieve sustainable diet goals without stress or rigidity.

What We Love

  • 🚀 Easy to use
  • 🔍 Detailed analytics and data
  • 🤖 Intelligent algorithm adjustments
  • 👍 Flexible and customizable
  • 💯 Comprehensive food database
  • 🧠 Science-backed approach
  • 🔢 Accurate macro tracking
  • 📈 Helpful weight trend visualization
  • 🙌 Adherence-neutral design
  • ⏱️ Efficient food logging

Room to Improve

  • 🔍 Limited food database for some regions
  • 🤔 Steep learning curve for some users
  • 💰 Subscription-based model
  • 🤖 Occasional inaccuracies in AI-generated entries
  • 🔀 Convoluted navigation in some areas
Macro & Calorie Calculator#3

Macro & Calorie Calculator by Principia Partners LLC

TDEE, BMI, Fluid for Dietitian
Worth Considering
💪 Health & Fitness
5.0(1 ratings)
FreeIn-App Purchases
Macro & Calorie Calculator screenshot 1
Macro & Calorie Calculator screenshot 2
Macro & Calorie Calculator screenshot 3
Macro & Calorie Calculator screenshot 4

This app transparently calculates your daily calorie and macro targets, showing every step of the process. It also provides personalized fluid intake recommendations and BMI analysis, helping you understand the data behind your health goals.

More Free Macro Calculator Diet apps to explore

FAQ about Free Macro Calculator Diet

What are the best free macro calculator diet apps for iPhone?
MacroFactor - Macro Tracker tops our free macro calculator diet apps ranking as of September 2026, with a 4.8-star average from 22K App Store ratings, and it's free to download.
MacroFactor - Macro Tracker has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 245+ free macro calculator diet apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
MacroFactor is a macro and calorie tracking app that uses a dynamic algorithm to personalize your nutrition targets. It adapts to your metabolism and progress, providing weekly coaching adjustments to help you achieve sustainable diet goals without stress.
Key features include a science-backed macro plan, a dynamic nutrition coach algorithm that adapts to your metabolism, a fast macro tracker with barcode scanning and custom foods, a verified food database for accuracy, and detailed breakdowns of macros and micronutrients.