Best Fat Loss Diet Apps

207+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated May 2026

Whether you're new to fat loss diet or looking for an upgrade, our curated collection of 207+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Fat Loss Diet Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1My Diet Coach - Weight LossMy Diet Coach - Weight LossFree4.6★ (25K)YesYesSep 2026
2BodyFast: Intermittent FastingBodyFast: Intermittent FastingFree4.7★ (145K)NoYesSep 2026
3Lose Weight at Home in 30 DaysLose Weight at Home in 30 DaysFree4.8★ (22K)YesYesSep 2026
4Healthify: AI Calorie TrackerHealthify: AI Calorie TrackerFree4.6★ (6K)NoYesSep 2026
5RP Diet Coach & PlannerRP Diet Coach & PlannerFree4.4★ (12K)YesYesSep 2026
6Trifecta: Diet & Weight LossTrifecta: Diet & Weight LossFree4.3★ (1.5K)YesYesSep 2026
7Fitia: Calorie Counter & DietFitia: Calorie Counter & DietFree4.9★ (21K)YesYesSep 2026
8FastEasy: Intermittent FastingFastEasy: Intermittent FastingFree4.6★ (79K)NoYesSep 2026

Top Picks for Fat Loss Diet

My Diet Coach - Weight Loss#1

My Diet Coach - Weight Loss by Mosaic S.r.l.

Food tracker, calorie counter
Editor's Choice
💪 Health & Fitness
4.6😊(25K ratings)
FreeAdsIn-App Purchases
My Diet Coach - Weight Loss screenshot 1
My Diet Coach - Weight Loss screenshot 2
My Diet Coach - Weight Loss screenshot 3
My Diet Coach - Weight Loss screenshot 4
My Diet Coach - Weight Loss screenshot 5
My Diet Coach - Weight Loss screenshot 6

This app helps you lose weight by tracking your calorie intake and macronutrients. It offers a food diary, various diet plans, recipes, and daily recaps to guide your journey. Integrate with health apps for a comprehensive view of your progress.

What We Love

  • 🚀 Easy to use
  • 👍 Motivational features
  • 🎨 Fun avatar customization
  • 📊 Helpful tracking and progress
  • 💧 Useful water intake reminders

Room to Improve

  • 🐛 Syncing issues with fitness trackers
  • 💰 Expensive premium subscription
  • 🤔 Limited food database for non-US users
  • 🤖 Avatar customization options could be improved
  • 🔄 Inconsistent data sync across devices
BodyFast: Intermittent Fasting#2

BodyFast: Intermittent Fasting by BodyFast GmbH

Track Calories, Macros, Weight
Strong Contender
💪 Health & Fitness
4.7😊(145K ratings)
FreeIn-App Purchases
BodyFast: Intermittent Fasting screenshot 1
BodyFast: Intermittent Fasting screenshot 2
BodyFast: Intermittent Fasting screenshot 3
BodyFast: Intermittent Fasting screenshot 4
BodyFast: Intermittent Fasting screenshot 5
BodyFast: Intermittent Fasting screenshot 6

This app guides users through intermittent fasting to achieve weight loss, improve health, and boost energy. It offers personalized plans, daily coaching, recipes, and tools like a water tracker and weight log. Users can choose from various fasting plans and track their progress towards their health goals.

What We Love

  • 👍 Easy to use
  • 🚀 Helpful for weight loss
  • 💪 Effective for fasting
  • 🔔 Useful reminders and notifications
  • 📊 Good tracking features
  • 🌟 Motivating and inspiring
  • 🎉 Variety of fasting plans
  • 🌐 Informative about fasting stages

Room to Improve

  • 🤔 Confusing to adjust fasting times
  • 💰 Expensive subscription
  • 🔒 Difficult to cancel subscription
  • 🤖 Coach feature is not very helpful
  • 🙃 Inconsistent app behavior
  • 📊 Limited data tracking options
Lose Weight at Home in 30 Days#3

Lose Weight at Home in 30 Days by ABISHKKING LIMITED.

Weight Loss Workout & Fitness
Worth Considering
💪 Health & Fitness
4.8😊(22K ratings)
FreeAdsIn-App Purchases
Lose Weight at Home in 30 Days screenshot 1
Lose Weight at Home in 30 Days screenshot 2
Lose Weight at Home in 30 Days screenshot 3
Lose Weight at Home in 30 Days screenshot 4
Lose Weight at Home in 30 Days screenshot 5
Lose Weight at Home in 30 Days screenshot 6

Achieve fast and safe weight loss with systematic home workouts and a vast selection of diets. Track progress, count calories, and receive video guidance for effective exercise routines. Scientifically proven to improve health and fitness.

What We Love

  • 👍 Simple and easy to use
  • 🚀 Personalized workouts and meal plans
  • 💪 Effective for weight loss and building strength
  • 🌟 Motivating and helpful for beginners
  • 🆓 Free app with good features

Room to Improve

  • 💰 Premium features locked behind paywall
  • 🔍 Inaccurate calorie tracking
  • 🤔 Questionable diet recommendations
  • 🙄 Annoying ads that block progress tracking
  • 🤨 Difficulty cancelling subscription

More Fat Loss Diet apps to explore

FAQ about Fat Loss Diet

What are the best fat loss diet apps for iPhone?
My Diet Coach - Weight Loss tops our fat loss diet apps ranking as of May 2026, with a 4.6-star average from 25K App Store ratings, and it's free to download.
Yes — 20 of the top fat loss diet apps we rank are free to download, including My Diet Coach - Weight Loss and BodyFast: Intermittent Fasting.
My Diet Coach - Weight Loss shows ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 207+ fat loss diet apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
My Diet Coach is a weight loss application designed to help users track their calorie intake and macronutrients. It provides a daily food diary, various diet plans like Keto, a collection of recipes, and daily recaps to guide users on their weight loss journey.
Key features include a daily food diary and macro tracker, calorie intake recommendations, the ability to plan meals in advance, integration with the Health App for body measurements, multiple diet plans (including custom options), a recipe library, and the ability to group frequently eaten items into meals for quick logging.