Best Fast Metabolism Apps

250+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated September 2026

With an average user rating of 4.6★, the fast metabolism category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Fast Metabolism Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1The Fast Metabolism DietThe Fast Metabolism DietFree3.4★ (186)NoNoSep 2026
2Metabolism Booster:Diet GuideMetabolism Booster:Diet GuideFree5.0★ (5)NoYesSep 2026
3Lumen - Metabolic CoachLumen - Metabolic CoachFree4.6★ (6.5K)NoNoSep 2026
4Fast36Fast36FreeNoYesJun 2026
5Lumora: Metabolism SimulatorLumora: Metabolism SimulatorFreeNoYesAug 2026
6Fast - Intermittent FastingFast - Intermittent FastingFree was $0.99NoNoAug 2026
7Respyr - MetabolismRespyr - MetabolismFreeNoNoSep 2026
8Metabolism QuizMetabolism QuizFreeYesYesMay 2026

Top Picks for Fast Metabolism

The Fast Metabolism Diet#1

The Fast Metabolism Diet by Brainstorming Session Inc.

Editor's Choice
💪 Health & Fitness
3.4😐(186 ratings)
Free
The Fast Metabolism Diet screenshot 1

This app supports a 28-day diet plan focused on metabolism boosting without calorie counting. It provides comprehensive food lists, customizable meal planning, and progress tracking tools to help users adhere to the diet's phases and achieve weight loss goals.

What We Love

  • 💻 Easy to use
  • 🔍 Helpful for planning meals
  • 🔔 Useful reminders
  • 💪 Effective for weight loss

Room to Improve

  • 🕰️ Inflexible meal times
  • 📋 Incomplete food lists
  • 🔀 Inconsistent with book
  • 🐛 Buggy and outdated
Lumen - Metabolic Coach#3

Lumen - Metabolic Coach by Meta Flow Ltd

Hack your metabolism
Worth Considering
💪 Health & Fitness
4.6😊(6.5K ratings)
Free
Lumen - Metabolic Coach screenshot 1
Lumen - Metabolic Coach screenshot 2
Lumen - Metabolic Coach screenshot 3
Lumen - Metabolic Coach screenshot 4
Lumen - Metabolic Coach screenshot 5
Lumen - Metabolic Coach screenshot 6

Gain control of your metabolism with real-time insights and personalized nutrition plans. This app helps you understand if your body is burning fats or carbs, offering guidance on what and when to eat for weight loss and a healthier lifestyle.

What We Love

  • 👍 Easy to use
  • 🚀 Provides real-time insights
  • 💡 Helps understand metabolism
  • 🚀 Customized recommendations
  • 👍 Motivating and educational
  • 👍 Fantastic customer service

Room to Improve

  • 🐛 Inconsistent readings
  • 🔍 Limited food database
  • 💰 Expensive subscription
  • 🔍 Confusing app layout
  • 🔍 Lack of integration with other apps
  • 🔍 Restrictive carb recommendations

More Fast Metabolism apps to explore

FAQ about Fast Metabolism

What are the best fast metabolism apps for iPhone?
The Fast Metabolism Diet tops our fast metabolism apps ranking as of September 2026, with a 3.4-star average from 186 App Store ratings, and it's free to download.
Yes — 20 of the top fast metabolism apps we rank are free to download, including The Fast Metabolism Diet and Metabolism Booster:Diet Guide.
The Fast Metabolism Diet has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ fast metabolism apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
The Fast Metabolism Diet App is a companion tool designed to help users follow the 28-day Fast Metabolism Diet plan. It provides comprehensive food lists, customizable meal planning, and tracking features to support weight loss without calorie counting.
Key features include customizable menu planning to fit your lifestyle, complete lists of allowed foods for each phase of the diet, over 250 selectable meals, a 'My Day' tracker for upcoming meals and activities, an interactive water tracker, and the ability to email grocery lists.