Best Fast Weight Loss Apps

250+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated October 2026

Out of 250+ fast weight loss apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Fast Weight Loss Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Intermittent Fasting: PureFastIntermittent Fasting: PureFastFree4.8★ (15K)YesYesOct 2026
2Fasting For Weight Loss AppFasting For Weight Loss AppFree4.7★ (6.3K)YesYesOct 2026
3BeSlim: Fasting & Weight LossBeSlim: Fasting & Weight LossFree—NoYesJul 2026
4Fastic Weight Loss & FastingFastic Weight Loss & FastingFree4.8★ (246K)NoYesOct 2026
5Lose Weight at Home in 30 DaysLose Weight at Home in 30 DaysFree4.8★ (22K)YesYesOct 2026
6Omo: Healthy Weight Loss AppOmo: Healthy Weight Loss AppFree4.5★ (33K)NoYesOct 2026
7My Diet Coach - Weight LossMy Diet Coach - Weight LossFree4.6★ (25K)YesYesOct 2026
8FastAI-Fasting Weight Loss ProFastAI-Fasting Weight Loss ProFree—NoYesJun 2026

Top Picks for Fast Weight Loss

Intermittent Fasting: PureFast#1

Intermittent Fasting: PureFast by Fast Builder Limited

Bodyfast & Weight Watchers App
Editor's Choice
💪 Health & Fitness
4.8😊(15K ratings)
FreeAdsIn-App Purchases
Intermittent Fasting: PureFast screenshot 1
Intermittent Fasting: PureFast screenshot 2
Intermittent Fasting: PureFast screenshot 3
Intermittent Fasting: PureFast screenshot 4
Intermittent Fasting: PureFast screenshot 5
Intermittent Fasting: PureFast screenshot 6

Achieve your weight loss goals with personalized workout and meal plans. Track your progress and receive expert guidance to ensure safe and effective exercise. Take control of your health and fitness journey.

What We Love

  • 🚀 Effective workouts
  • 👍 Variety of exercises
  • 💪 Helps with weight loss
  • 🙌 Motivating and encouraging
  • 🕰️ Short and manageable workouts
  • 🆓 Completely free to use

Room to Improve

  • 🔒 Requires internet connection
  • 🤔 Limited customization options
  • 🤕 Can be challenging for beginners
  • 🕰️ Workouts can be repetitive
Fasting For Weight Loss App#2

Fasting For Weight Loss App by Soon Health

Customized Fasting Plans
Strong Contender
💪 Health & Fitness
4.7😐(6.3K ratings)
FreeAdsIn-App Purchases
Fasting For Weight Loss App screenshot 1
Fasting For Weight Loss App screenshot 2
Fasting For Weight Loss App screenshot 3
Fasting For Weight Loss App screenshot 4
Fasting For Weight Loss App screenshot 5
Fasting For Weight Loss App screenshot 6

This app helps you lose weight and improve health through customized intermittent fasting plans. It offers AI-powered food scanning, intelligent dietary advice, and progress tracking to support your goals without restrictive diets.

What We Love

  • 🚀 Helpful for fasting and weight loss
  • 📊 Tracks water intake and steps
  • 💡 Provides informative tips and recipes
  • 👍 Motivating and easy to use

Room to Improve

  • 🐛 Inaccurate food tracking and calorie calculations
  • 🕰️ Issues with fasting timer and start/end times
  • 💰 Expensive subscription, not enough free features
  • 🤖 Impersonal AI assistant, lack of human support

More Fast Weight Loss apps to explore

FAQ about Fast Weight Loss

What are the best fast weight loss apps for iPhone?
Intermittent Fasting: PureFast tops our fast weight loss apps ranking as of October 2026, with a 4.8-star average from 15K App Store ratings, and it's free to download.
Yes — 20 of the top fast weight loss apps we rank are free to download, including Intermittent Fasting: PureFast and Fasting For Weight Loss App.
Intermittent Fasting: PureFast shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 250+ fast weight loss apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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