Comparison

Intermittent Fasting vs Fasting Center

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 provides a precise timer and tracker for intermittent fasting windows. It offers live stage insights, gentle reminders, and streak tracking to help users maintain consistency without calorie counting or food logging. Designed for clarity and ease of use, it supports various fasting schedules and works offline.

Highlights
  • Precise fasting timer
  • Live stage insights
  • Gentle reminders
  • Streak tracking
  • Works offline
  • Supports various fasting schedules
Features
Read full description

Keep your window in orbit. Orbit Fast helps you time fasting and eating windows with live stage insights, gentle reminders, and streaks that stick. No calorie counting, no food logging, just focused, result-oriented fasting. Orbit Fast is a precise fasting tracker and timer designed for people who want structure without noise. It breaks your fast into clear stages, so you always understand what’s happening and where you are, without guesswork or pressure. Whether you’re new to intermittent fasting or refining an existing routine, Orbit Fast keeps the experience calm, intentional, and easy to stay consistent with over time. Why Orbit Fast: • Live stage insights, so you always know what’s happening during your fast. • Streaks and milestones that keep you consistent, without pressure. • Gentle reminders, delivered at the right moment. • Works offline when needed. Orbit Fast stays available without an internet connection. • Family subscription, share Orbit Fast with up to 5 family members via Apple Family Sharing. • Private and secure, your data stays yours.

Designed for clarity and consistency: Orbit Fast is not about optimisation hacks or extreme routines. It’s about creating a clear fasting rhythm you can return to every day. The interface is intentionally minimal, readable in both light and dark modes, and designed to feel comfortable whether you check it once or many times a day. By focusing on structure instead of restriction, Orbit Fast helps fasting feel sustainable, not overwhelming.

Who Orbit Fast is for: • People exploring intermittent fasting. • Users looking for a clean fasting timer. • Anyone tired of calorie-heavy diet apps. • Those who value calm design and clear structure. • Users who want to stay consistent without pressure.

Frequently Asked Questions: What is intermittent fasting? Intermittent fasting is an eating pattern that alternates between fasting periods and eating windows. Orbit Fast helps you follow this rhythm with clear timing and stage-based guidance. How does Orbit Fast track fasting? Orbit Fast uses a precise fasting timer that tracks your fasting and eating windows. It shows live fasting stages so you always know where you are, without manual calculations. Does Orbit Fast track calories or food? No. Orbit Fast is focused only on fasting. There is no calorie counting, food logging, macro tracking, or water tracking. Is Orbit Fast suitable for beginners? Yes. Orbit Fast is designed to be simple and easy to use, whether you’re new to intermittent fasting or already following a routine. What fasting schedules does Orbit Fast support? Orbit Fast supports common intermittent fasting schedules, including 12:12, 14:10, 16:8, 18:6, 20:4, and 23:1, as well as programs for experienced users such as 36 hours, 48 hours, 72 hours, and uncapped fasting. Can I use Orbit Fast with Family Sharing? Yes. A single subscription can be shared with up to five family members using Apple Family Sharing. Is my data private? Yes. Orbit Fast is built with privacy in mind. Your data stays yours and is handled securely. Is Orbit Fast a medical app? No. Orbit Fast provides lifestyle guidance only and is not intended as medical advice. Legal links: Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Service: https://support.orbitfast.app/legal/terms/ Privacy Policy: https://support.orbitfast.app/legal/privacy/

About

Fasting Center

Track intermittent and extended fasting with a visual timer and detailed insights into your body's stages. Log various health metrics, view patterns, and utilize helpful calculators for weight and calorie projections. Integrates with Apple Health and offers extensive language support.

Highlights
  • Customizable fasting plans
  • Live fasting progress ring
  • 17 fasting stages explained
  • Comprehensive health metric logging
  • Fasting calendar and trend charts
  • Weight and calorie projection calculators
  • Apple Health integration
Features
Read full description

Fasting Center is a fasting timer and tracker for intermittent and extended fasting. Start a fast, watch the ring fill, see which stage your body is in, and keep your numbers in one place. Fast your way - Plans from 12:12 to 23:1 (OMAD), extended fasts of 24, 36, 48 and 72 hours, an open fast with no end, or a specific end time - A live ring that shows time elapsed, time left or percent. Tap the ring to switch - Change the start or end time whenever you need to - Milestone notifications and a reminder before your fast ends - A celebration when you finish, with your mood, a note and a picture of your fast to share Know what is happening - 17 fasting stages, from digestion to refeeding, and what each one means - Tips that make fasting easier - The scientific sources behind the stages and the calculators Log what matters - Weight, body fat, waist, ketones, blood glucose and blood pressure - Energy, hunger, motivation and anxiety on a scale of 1 to 10 - Calories, water, sodium, potassium and magnesium - Daily notes, and past fasts you add by hand - Apple Health - read weight, body fat, steps, heart rate and glucose, and write weight and body fat back See your patterns - A fasting calendar, charts of your fasting hours, recent fasts and streaks - Trends for your measurements and how you feel, and your BMI - Patterns found in your own data, such as when you feel hungriest Calculators - Extended fasting - estimate the weight you lose in a fast of 1 to 40 days, split into fat, protein, water and gut contents, with a refeeding guide - Intermittent fasting and calorie deficit - set a goal weight or daily calories and see a day-by-day projection Everywhere you look - Home screen widgets, a Live Activity on the Lock Screen and in the Dynamic Island, and an Apple Watch app with complications - Dark mode, accent colors, and pounds, kilograms or stones - Sixteen languages: English, Spanish, German, French, Portuguese, Italian, Polish, Turkish, Ukrainian, Russian, Japanese, Korean, Arabic, Indonesian, Urdu and Bengali - Import fasts from Easy Fast or Zero, and export your data to Excel - Use it without an account, or sign in with email, Google or Apple to sync between your devices Important Fasting Center is for general wellness and education. It is not medical advice. Extended fasting is not right for everyone, especially if you are pregnant, breastfeeding, under 18, underweight, or have a medical condition such as diabetes or a history of eating disorders. Talk to your doctor before you start. Weight and body composition projections are estimates, not predictions.

Screenshots

Intermittent Fasting4 screens
Fasting Center4 screens

Verdict

The call

The clearest difference is in-app purchases: Fasting Center at none against Intermittent Fasting's 3. Fasting Center also leads on ads (none vs shown) and update cadence (every 3 days vs weekly). Intermittent Fasting's advantage is rating (5.0 vs 4.8). On price and review sentiment 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 3 in-app purchases, starting at $4.99 per month. Fasting Center asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Intermittent Fasting holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Fasting Center has 26 ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Intermittent Fasting ships an update weekly, Fasting Center every 3 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

Scorecard8 real differences · 2 level
Intermittent Fasting versus Fasting Center: the parameters behind the verdict, then further details
ParameterIntermittent FastingFasting Center
PriceFreeFree
Rating5.0 (5 ratings) — better4.8 (26 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings526 — better
Update frequencyWeeklyEvery 3 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhoneiPhone, iPad, iPod, Apple Watch — better
Requires iOS17.015.0 — better
Further details — not scored
Size48 MB50 MB
Age rating4+12+
DeveloperSofiia StashkivAndrey Titov

Customer experience

Intermittent Fasting

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Fasting Center

All ratings26 ratings
Positive92.3%
Neutral3.8%
Negative3.8%
Written reviews8 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Intermittent Fasting

Subscriptions2
  • Monthly Unlimited$4.991 Month
  • Yearly Unlimited3 Days trial$29.991 Year
One-time1
  • Lifetime Unlimited$59.99
None

Fasting Center

No in-app purchases

Questions

Is Intermittent Fasting free?
Intermittent Fasting is free to download, with in-app purchases available.
Is Fasting Center free?
Fasting Center is free to download, with no in-app purchases.
Which has better reviews, Intermittent Fasting or Fasting Center?
Intermittent Fasting is rated higher. Intermittent Fasting averages 5.0 out of 5 from 5 ratings, while Fasting Center averages 4.8 from 26 ratings.
Do Intermittent Fasting or Fasting Center have ads?
Intermittent Fasting shows ads; Fasting Center does not.
Which is updated more often, Intermittent Fasting or Fasting Center?
Intermittent Fasting ships an update weekly, and Fasting Center every 3 days. Most recently, Intermittent Fasting was updated on October 28, 2026 and Fasting Center on October 31, 2026.

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