Best Free Keto Diet Apps

248+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated July 2026

With an average user rating of 4.4★, the free keto diet category is one of the App Store's strongest. Browse all 248+ apps we track, sorted so the most loved ones surface first.

Compare top Free Keto Diet Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Keto diet app-Low carb managerKeto diet app-Low carb managerFree4.6★ (62K)NoYesSep 2026
2Carb Manager: Keto & Macro LogCarb Manager: Keto & Macro LogFree4.8★ (733K)NoYesSep 2026
3Stupid Simple Keto Diet AppStupid Simple Keto Diet AppFree4.6★ (8.9K)NoYesSep 2026
4Keto App: Recipes Guides NewsKeto App: Recipes Guides NewsFree4.7★ (2.2K)NoNoSep 2026
5Keto Diet App & RecipesKeto Diet App & RecipesFree4.7★ (29K)NoYesSep 2026
6Keto Diet for BeginnersKeto Diet for BeginnersFree4.5★ (301)NoYesAug 2026
7Keto Diet App - Carb TrackerKeto Diet App - Carb TrackerFree4.7★ (82K)NoYesSep 2026
8Keto Calculator - Keto BuddyKeto Calculator - Keto BuddyFree4.6★ (8.4K)NoNoSep 2026

Top Picks for Free Keto Diet

Keto diet app-Low carb manager#1

Keto diet app-Low carb manager by Zinaida Davydova

Macros tracker & counter
Editor's Choice
💪 Health & Fitness
4.6😐(62K ratings)
FreeIn-App Purchases
Keto diet app-Low carb manager screenshot 1
Keto diet app-Low carb manager screenshot 2
Keto diet app-Low carb manager screenshot 3
Keto diet app-Low carb manager screenshot 4
Keto diet app-Low carb manager screenshot 5
Keto diet app-Low carb manager screenshot 6

This app acts as your personal keto nutritionist, simplifying weight loss by tracking macros and food intake. It offers a custom macro plan, extensive food database with barcode scanning, and helpful features like meal plans and recipe creation.

What We Love

  • 🚀 Easy to use
  • 🚀 Helpful for Keto diet
  • 🚀 Barcode scanning feature
  • 🚀 Customizable macros
  • 🚀 Affordable subscription
  • 🚀 Integrates with health apps

Room to Improve

  • 🐛 Inaccurate food database
  • 🐛 Frequent crashes and glitches
  • 🐛 Limited functionality in free version
  • 🐛 Disappearing data and recipes
  • 🐛 Confusing subscription model
  • 🐛 Poor customer support
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
Stupid Simple Keto Diet App#3

Stupid Simple Keto Diet App by Venn Interactive, Inc.

Low Carb Diet & Macros Manager
Worth Considering
💪 Health & Fitness
4.6😊(8.9K ratings)
FreeIn-App Purchases
Stupid Simple Keto Diet App screenshot 1
Stupid Simple Keto Diet App screenshot 2
Stupid Simple Keto Diet App screenshot 3
Stupid Simple Keto Diet App screenshot 4
Stupid Simple Keto Diet App screenshot 5

This app helps you track carbs and calories to achieve weight loss and maintain a ketogenic lifestyle. It offers easy food logging, progress tracking, and support for custom foods and fasting. Certified diet coaches are also available.

What We Love

  • 🚀 Stupid simple to use
  • 👍 Easy to track macros
  • 👍 Helpful for keto diet
  • 👍 Customizable
  • 👍 Excellent customer support
  • 👍 Affordable one-time fee
  • 👍 Motivating progress tracking

Room to Improve

  • 🐛 Sync and login issues
  • 🐛 Inaccurate food data
  • 🐛 Confusing navigation
  • 🐛 Frequent app crashes
  • 🔒 Privacy concerns with data
  • 💰 Limited features in free version

More Free Keto Diet apps to explore

FAQ about Free Keto Diet

What are the best free keto diet apps for iPhone?
Keto diet app-Low carb manager tops our free keto diet apps ranking as of July 2026, with a 4.6-star average from 62K App Store ratings, and it's free to download.
Keto diet app-Low carb manager has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 248+ free keto diet apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app serves as a personal keto nutritionist, simplifying weight loss by allowing you to track your macros and food consumption. It provides a custom macro plan based on your body type, goals, and activity level, and offers a vast database of foods for easy tracking.
Key features include generating a personalized macro plan, tracking food intake meal by meal, a massive food database with barcode scanning, ready-to-use keto meal plans, net carb calculation, recipe creation, and integration with health apps like Apple Health and Fitbit.