Best Keto Calculator Free Apps

230+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated July 2026

Every iPhone needs a few good keto calculator free apps. We benchmark 230+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Keto Calculator Free Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Keto Calculator - Keto BuddyKeto Calculator - Keto BuddyFree4.6★ (8.4K)NoNoSep 2026
2Carb Manager: Keto & Macro LogCarb Manager: Keto & Macro LogFree4.8★ (733K)NoYesSep 2026
3Keto Diet App - Carb TrackerKeto Diet App - Carb TrackerFree4.7★ (82K)NoYesSep 2026
4Keto diet app-Low carb managerKeto diet app-Low carb managerFree4.6★ (62K)NoYesSep 2026
5MyNetDiary Carb Genius - KetoMyNetDiary Carb Genius - KetoFree4.7★ (5.1K)NoYesSep 2026
6Keto Diet App: Keto ManagerKeto Diet App: Keto ManagerFree4.7★ (9.4K)NoYesSep 2026
7MyFitnessPal: Calorie CounterMyFitnessPal: Calorie CounterFree4.7★ (2.4M)YesYesSep 2026
8Stupid Simple Keto Diet AppStupid Simple Keto Diet AppFree4.6★ (8.9K)NoYesSep 2026

Top Picks for Keto Calculator Free

Keto Calculator - Keto Buddy#1

Keto Calculator - Keto Buddy by Compumaster Ltd

Keto/low carb macro calculator
Editor's Choice
💪 Health & Fitness
4.6😐(8.4K ratings)
Free
Keto Calculator - Keto Buddy screenshot 1
Keto Calculator - Keto Buddy screenshot 2
Keto Calculator - Keto Buddy screenshot 3
Keto Calculator - Keto Buddy screenshot 4
Keto Calculator - Keto Buddy screenshot 5

Calculate your ideal macronutrient intake for ketogenic and other low-carb diets. This free tool helps you determine the right balance of fat, protein, and carbohydrates based on your individual goals and needs.

What We Love

  • 👍 Good so far
  • 👍 Convenient and easy to use
  • 👍 Helpful resource
  • 👍 Precise and informative

Room to Improve

  • 🤔 Confusing interface
  • 🤔 Lacks functionality
  • 💰 Expensive
  • 🤷‍♀️ Doesn't work as expected
  • 🔍 Hard to read results
Carb Manager: Keto & Macro Log#2

Carb Manager: Keto & Macro Log by Wombat Apps LLC

Calorie Counter & Diet Tracker
Strong Contender
💪 Health & Fitness
4.8😊(733K ratings)
FreeIn-App Purchases
Carb Manager: Keto & Macro Log screenshot 1
Carb Manager: Keto & Macro Log screenshot 2
Carb Manager: Keto & Macro Log screenshot 3
Carb Manager: Keto & Macro Log screenshot 4
Carb Manager: Keto & Macro Log screenshot 5
Carb Manager: Keto & Macro Log screenshot 6

Easily track carbs, macros, and calories for low-carb and keto diets. Features include barcode scanning, recipe access, and community support to help you achieve your health goals.

What We Love

  • 🚀 Easy to use
  • 🔒 Comprehensive tracking
  • 👍 Helpful for keto/low-carb diets
  • 👍 Useful recipes and meal plans
  • 👍 Syncs with fitness devices
  • 👍 Detailed macro and nutrient breakdown

Room to Improve

  • 🐛 Inaccurate food database
  • 🐛 Buggy and crashes frequently
  • 🐛 Clunky interface and navigation
  • 🔒 Paywall for many features
  • 👎 Limited metric options (e.g. grams)
  • 👎 Slow performance and loading times
Keto Diet App - Carb Tracker#3

Keto Diet App - Carb Tracker by FJOR NUTRITION, INC.

Weight Loss, Meal Plan, Recipe
Worth Considering
💪 Health & Fitness
4.7😊(82K ratings)
FreeIn-App Purchases
Keto Diet App - Carb Tracker screenshot 1
Keto Diet App - Carb Tracker screenshot 2
Keto Diet App - Carb Tracker screenshot 3
Keto Diet App - Carb Tracker screenshot 4
Keto Diet App - Carb Tracker screenshot 5
Keto Diet App - Carb Tracker screenshot 6

This app acts as your personal keto coach, offering a powerful macro tracker with hundreds of recipes and diet tips. Easily log food using voice recognition or a barcode scanner, and receive a custom weight loss plan to reach your goals faster.

What We Love

  • 🚀 Easy to use
  • 👍 Helpful for tracking macros
  • 🚀 Accurate food logging
  • 💡 Useful insights and information
  • 👍 Great for beginners
  • 🚀 Convenient barcode scanning
  • 👍 Supportive community and team
  • 👍 Customizable macros and goals

Room to Improve

  • 🐛 Inconsistent food database
  • 🐛 Inaccurate calorie/carb calculations
  • 💡 Lacks integration with fitness trackers
  • 💡 Limited recipe options and customization
  • 💡 Difficult to add and manage own recipes
  • 🐛 Confusing subscription process

More Keto Calculator Free apps to explore

FAQ about Keto Calculator Free

What are the best keto calculator free apps for iPhone?
Keto Calculator - Keto Buddy tops our keto calculator free apps ranking as of July 2026, with a 4.6-star average from 8.4K App Store ratings, and it's free to download.
Keto Calculator - Keto Buddy has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 230+ keto calculator free apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Keto Calculator helps you determine your ideal macronutrient intake for ketogenic and other low-carb diets. It calculates the recommended percentages and amounts of fat, protein, and carbohydrates based on your individual goals and needs.
The ketogenic diet is a dietary approach that is high in fat, adequate in protein, and very low in carbohydrates. Typically, it involves consuming 60-75% of calories from fat, 15-30% from protein, and 5-10% from carbohydrates.