Best Keto Calculator Free Apps

248+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated November 2026

Every iPhone needs a few good keto calculator free apps. We benchmark 248+ 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 (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Keto Calculator - Keto BuddyKeto Calculator - Keto BuddyFree4.6★ (8.4K)NoNoNov 2026
2Carb Manager — Keto Diet AppCarb Manager — Keto Diet AppFree4.8★ (737K)NoYesNov 2026
3Keto Diet App: Keto ManagerKeto Diet App: Keto ManagerFree4.7★ (9.4K)NoYesNov 2026
4Keto Diet App - Carb TrackerKeto Diet App - Carb TrackerFree4.7★ (82K)NoYesNov 2026
5Keto diet app-Low carb managerKeto diet app-Low carb managerFree4.6★ (62K)NoYesNov 2026
6MyNetDiary Carb Genius - KetoMyNetDiary Carb Genius - KetoFree4.7★ (5.2K)NoYesNov 2026
7Stupid Simple Keto Diet AppStupid Simple Keto Diet AppFree4.6★ (8.9K)NoYesNov 2026
8Keto Diet App & RecipesKeto Diet App & RecipesFree4.7★ (29K)NoYesNov 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 Diet App#2

Carb Manager — Keto Diet App by Wombat Apps LLC

Macro Tracker & Meal Planner
Strong Contender
💪 Health & Fitness
4.8😊(737K ratings)
FreeIn-App Purchases
Carb Manager — Keto Diet App screenshot 1
Carb Manager — Keto Diet App screenshot 2
Carb Manager — Keto Diet App screenshot 3
Carb Manager — Keto Diet App screenshot 4
Carb Manager — Keto Diet App screenshot 5
Carb Manager — Keto Diet App 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: Keto Manager#3

Keto Diet App: Keto Manager by Anish Modan

Net Carb & Macro Tracker
Worth Considering
💪 Health & Fitness
4.7😊(9.4K ratings)
FreeIn-App Purchases
Keto Diet App: Keto Manager screenshot 1
Keto Diet App: Keto Manager screenshot 2
Keto Diet App: Keto Manager screenshot 3
Keto Diet App: Keto Manager screenshot 4
Keto Diet App: Keto Manager screenshot 5
Keto Diet App: Keto Manager screenshot 6

This app simplifies low-carb and macro tracking for weight loss and diabetes management. It uses voice recognition for easy food logging, offers automatic nutrient calculation, and provides community support. Access recipes, meal plans, and health insights to support your diet.

What We Love

  • 👍 User-friendly interface
  • 🚀 Easy to track macros and calories
  • 💡 Helpful keto diet information and recipes
  • 🔍 Extensive food database with barcode scanning
  • 📈 Useful progress tracking and goal setting

Room to Improve

  • 🐛 Glitches and bugs causing data loss
  • 🤔 Difficulty adding custom foods and recipes
  • 💸 Subscription required for full functionality
  • 🇨🇦 Limited support for non-US users and products
  • 🕰️ Inconsistent sync and data tracking issues

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 November 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 November 2026.
We track 248+ keto calculator free apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.