Best Keto Fasting Apps

250+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated September 2026

Every iPhone needs a few good keto fasting apps. We benchmark 250+ 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 Fasting Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Keto diet app-Low carb managerKeto diet app-Low carb managerFree4.6★ (62K)NoYesSep 2026
2Senza: Keto & FastingSenza: Keto & FastingFree4.8★ (11K)NoNoSep 2026
3Carb Manager: Keto & Macro LogCarb Manager: Keto & Macro LogFree4.8★ (733K)NoYesSep 2026
4KetoDiet: Fasting & Meal PlansKetoDiet: Fasting & Meal PlansFree4.4★ (2.4K)NoYesAug 2026
5Zero: Fasting & Food TrackerZero: Fasting & Food TrackerFree4.8★ (445K)NoYesSep 2026
6BodyFast: Intermittent FastingBodyFast: Intermittent FastingFree4.7★ (145K)NoYesSep 2026
7My Keto FastingMy Keto FastingFreeNoNoAug 2026
8Keto Diet App - Carb TrackerKeto Diet App - Carb TrackerFree4.7★ (82K)NoYesSep 2026

Top Picks for Keto Fasting

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
Senza: Keto & Fasting#2

Senza: Keto & Fasting by 527H

Coaches | Meal Plans | Macros
Strong Contender
💪 Health & Fitness
4.8😊(11K ratings)
Free
Senza: Keto & Fasting screenshot 1
Senza: Keto & Fasting screenshot 2
Senza: Keto & Fasting screenshot 3
Senza: Keto & Fasting screenshot 4
Senza: Keto & Fasting screenshot 5

This app guides users through ketogenic and intermittent fasting lifestyles. It offers extensive food databases, meal planning tools, and progress tracking for nutrition, workouts, sleep, and mood. Connect with a community for support and recipe sharing.

What We Love

  • 👍 Great app for tracking macros and weight loss
  • 🚀 Easy to use and intuitive interface
  • 🔍 Helpful food database and barcode scanning
  • 💡 Useful features like recipes, restaurant guides, and coaching
  • ⭐ Excellent customer support and responsiveness

Room to Improve

  • 🐛 Issues with scanning and logging food accurately
  • 🔍 Limited food database, especially for non-US users
  • 🔍 Difficulty customizing measurements and recipes
  • 🔍 Inability to move or edit individual food items in the journal
Carb Manager: Keto & Macro Log#3

Carb Manager: Keto & Macro Log by Wombat Apps LLC

Calorie Counter & Diet Tracker
Worth Considering
💪 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

More Keto Fasting apps to explore

FAQ about Keto Fasting

What are the best keto fasting apps for iPhone?
Keto diet app-Low carb manager tops our keto fasting apps ranking as of September 2026, with a 4.6-star average from 62K App Store ratings, and it's free to download.
Yes — 20 of the top keto fasting apps we rank are free to download, including Keto diet app-Low carb manager and Senza: Keto & Fasting.
Keto diet app-Low carb manager has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ keto fasting apps on the iOS App Store as of September 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.

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