Best Simple Fast Apps

250+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated September 2026

The best simple fast apps on iPhone average 4.5★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top Simple Fast Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Simple: AI Weight Loss CoachSimple: AI Weight Loss CoachFree4.7★ (403K)NoYesSep 2026
2Simple Fasting AppSimple Fasting AppFree3.8★ (4)NoNoSep 2026
3SimpleFast: Fasting TrackerSimpleFast: Fasting TrackerFreeNoNoJun 2026
4Intermittent Fasting Tracker:Intermittent Fasting Tracker:Free4.9★ (51K)NoYesSep 2026
5Simple Fast – Fasting TrackerSimple Fast – Fasting TrackerFreeYesNoAug 2026
6SuperFast - Simple, FastSuperFast - Simple, FastFreeNoYesMay 2026
7iFast - Simple Fast TrackeriFast - Simple Fast TrackerFree4.8★ (17)YesYesSep 2026
8Faslo - Simple Fasting TrackerFaslo - Simple Fasting TrackerFreeNoNoJun 2026

Top Picks for Simple Fast

Simple: AI Weight Loss Coach#1

Simple: AI Weight Loss Coach by AM APPS

Build a Healthy Body for Life
Editor's Choice
💪 Health & Fitness
4.7😊(403K ratings)
FreeIn-App Purchases
Simple: AI Weight Loss Coach screenshot 1
Simple: AI Weight Loss Coach screenshot 2
Simple: AI Weight Loss Coach screenshot 3
Simple: AI Weight Loss Coach screenshot 4
Simple: AI Weight Loss Coach screenshot 5
Simple: AI Weight Loss Coach screenshot 6

This app offers personalized weight loss plans, real-time nutrition analysis via photo, and AI-driven coaching. It focuses on making healthy habits fun and sustainable without extreme restrictions or calorie counting.

What We Love

  • 🚀 Engaging app
  • 👍 Helpful tools
  • 👍 Supportive IF app
  • 👍 Keeps user accountable
  • 👍 Motivates user
  • 👍 Intuitive and user-friendly
  • 👍 Provides useful information and insights
  • 👍 Customizable fasting schedule
  • 👍 Tracks progress effectively

Room to Improve

  • 🐛 Difficulty navigating and logging food/fasting
  • 🐛 Inaccurate food analysis and tracking
  • 🐛 Glitchy and unreliable
  • 🔒 Questionable billing and subscription practices
  • 🐛 Cluttered and confusing interface
  • 🐛 Limited food database

More Simple Fast apps to explore

FAQ about Simple Fast

What are the best simple fast apps for iPhone?
Simple: AI Weight Loss Coach tops our simple fast apps ranking as of September 2026, with a 4.7-star average from 403K App Store ratings, and it's free to download.
Yes — 20 of the top simple fast apps we rank are free to download, including Simple: AI Weight Loss Coach and Simple Fasting App.
Simple: AI Weight Loss Coach has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ simple fast apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app acts as an AI health coach designed to help users achieve lasting weight loss. It provides personalized plans, real-time nutrition analysis through photo recognition, on-demand coaching, and tailored workouts, all without requiring calorie counting or extreme dietary restrictions.
Key features include personalized coaching from an AI named Avo™, instant food feedback with Avo Vision (photo analysis), easy and personalized beginner-friendly workout plans, and a playful motivational character named Blinky. It also offers a real-time Success Score to track progress and quick logging for food, water, activity, and weight.

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