Comparison

Intermittent Fasting vs Fast

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Intermittent Fasting

This app helps users manage their intermittent fasting journey with a user-friendly timer, various fasting plans, and progress tracking. It offers features like water tracking, mood logging, and health synchronization, alongside inspiring content such as stories, nature sounds, and recipes to support a healthy lifestyle.

Highlights
  • User-friendly fasting timer with reminders
  • Multiple fasting plans (Beginner to OMAD)
  • Water tracker with drink reminders
  • Progress tracking with mood diary
  • Health synchronization for weight control
  • Inspiring stories, nature sounds, and recipes
Features
Read full description

COUNT HOURS, NOT CALORIES! Intermittent Fasting is a lifestyle about WHEN you eat, not WHAT you eat. CLEAR helps you with smart tools and high-quality content to keep your fasting times, track your progress and enjoy your fasting time. This way, like many others, you can achieve your desired weight simply, healthily, and long-term - without any sacrifice. INTERMITTENT FASTING TIMER · User-friendly fasting timer with reminders · Fasting phases show you when fat burning starts · Widgets for home and lock screen · Plan times or adjust later · Motivating quotes and joyful animations · Eye-friendly dark mode, shortcuts, and more FASTING PLANS · Beginner: 12/12, 13/11, 14/10, 15/9 · Intermediate: 16/8, 17/7, 18/6, 19/5 · Experienced: 20/4, 21/3, 22/2, 23/1, OMAD FASTING TRACKER · Water tracker with drink reminders · Diary: Record mood and edit times later · Weight control with Health synchronization STORIES, NATURE SOUNDS, RECIPES · Interactive stories inspire you to a healthy lifestyle · Soothing nature sounds release inner blocks and make fasting relaxed · Simple recipes for your healthy diet INTERMITTENT FASTING BENEFITS Intermittent fasting is a scientifically studied method to lose weight in a healthy and sustainable way. - Reduction of abdominal girth & BMI - Improved metabolism, increased fat burning, reduction of inflammation - Improved mental clarity and concentration - Slowing of aging processes (studies suggest IF can increase life expectancy). - Improved sugar response (fasting can help regulate blood sugar levels and reduce insulin resistance) For more information and studies on the benefits of intermittent fasting, visit www.clearfast.io. IS CLEAR SUITABLE FOR ME? CLEAR is suitable for beginners & advanced fasters, as well as for women, men, and all genders. Intermittent fasting can be combined with various forms of nutrition, such as vegan, vegetarian, paleo or low-carb. But there are cases when you should not fast. Take a free test in the app, and we will tell you when you should rather talk to a doctor. WHY NOT TRY? Download the app for free and start your journey to a healthier, happier you today! ---------- CLEAR PLUS terms of service 1 week Clear + from 4.99$ per week (prices may vary slightly depending on the region). 1 month Clear + from 19.99$ per month (prices may vary slightly depending on the region) You can find all in-app purchases on this app store page below under “In-app purchases”. Subscriptions are automatically renewed unless they have been switched off at least 24 hours before the subscription period expires. Your account will be charged within 24 hours of payment. You can manage your subscriptions in the iOS settings and switch the automatic renewal on or off. A subscription that is already running cannot be canceled within the term that has already started. Privacy Policy: https://zipoapps.com/intermittentios/privacy/ Terms of Use: https://zipoapps.com/intermittentios/terms/

About

Fast

Features
Read full description

Fasting Timer is a simple app for tracking fasting time. Use the countdown timer to start fasting and monitor progress. The app also lets you log water intake for proper hydration.\n\nWith history and stats, you can review past fasting sessions and analyze progress. Ideal for those building a fasting habit or focusing on health management.\n\nDesigned with simplicity and intuitive controls, anyone can use it easily. Start fasting today with this app for seamless tracking.

Screenshots

Intermittent Fasting4 screens
Fast3 screens

Verdict

The call

The clearest difference is update cadence: Intermittent Fasting at fortnightly against Fast's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Intermittent Fasting sells 14 in-app purchases, starting at $4.99 per month and Fast sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Intermittent Fasting ships an update fortnightly, Fast every 9 months. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

Scorecard1 real difference · 9 level
Intermittent Fasting versus Fast: the parameters behind the verdict, then further details
ParameterIntermittent FastingFast
PriceFreeFree
Rating4.7 (503 ratings) — better—
Positive reviews65.0% of reviews—
Number of ratings503 — better—
Update frequencyFortnightly — betterEvery 9 months
AdsYesYes
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size156 MB76 MB
Age rating17+4+
DeveloperZipoAppskota tada

Bugs and requests

Intermittent Fasting

Reported bugs

5 issues
  • Ads won't close
  • Redirected to website
  • Pop-ups don't allow stopping fast
  • Widget not counting down
  • App doesn't automatically stop/start timer

Requested features

5 requests
  • Add meditation features
  • Add journaling features
  • Add more useful things
  • Add watch companion app
  • Add more features for 5-star rating

Fast

Not enough reviews yet to summarise bugs or requests.

In-app purchases

14 purchases

Intermittent Fasting

Subscriptions14
  • 1 Month Clear+$4.991 Month
  • Unlock all premium features3 Days trial$4.997 Days
  • Unlock all premium features3 Days trial$6.997 Days
Show 11 more
  • 1 Month Clear+$8.991 Month
  • Access to premium plans3 Days trial$8.997 Days
  • 12 Months PLUS3 variants$9.991 Month
  • 1 month$11.991 Month
  • 3 Months Clear+$17.993 Months
  • 12 Months PLUS$20.991 Year
  • 6 Months Clear+$29.996 Months
  • 12 Months$35.991 Year
  • 12 Months PLUS$49.991 Year
  • 12 months$59.991 Year
  • 12 Months PLUS$69.991 Year
2 purchases

Fast

Subscriptions2
  • Ad-free for 1 month7 Days trial$4.991 Month
  • Ad-free for 1 year14 Days trial$49.991 Year

Questions

Is Intermittent Fasting free?
Intermittent Fasting is free to download, with in-app purchases available.
Is Fast free?
Fast is free to download, with in-app purchases available.
Do Intermittent Fasting or Fast have ads?
Both Intermittent Fasting and Fast show ads.
Which is updated more often, Intermittent Fasting or Fast?
Intermittent Fasting ships an update fortnightly, and Fast every 9 months. Most recently, Intermittent Fasting was updated on October 14, 2026 and Fast on October 15, 2026.

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