Intermittent Fasting vs Fasting Center
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Precise fasting timer
- Live stage insights
- Gentle reminders
- Streak tracking
- Works offline
- Supports various fasting schedules
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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/
Fasting Center
Plan extended fasts with personalized projections. Input your body stats and desired duration to estimate weight change, fat loss, and energy use. This data-driven tool provides a clear starting point for your fasting journey.
- Personalized fast planning
- Extended fast duration options
- Projected weight change
- Estimated fat loss
- Energy use projection
- Data-driven starting point
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Free fasting tracker and timer for intermittent fasting, OMAD, and extended water fasts. No ads, no account needed. Fasting Center is built around your numbers, not generic guesses. Start a fast, follow 17 fasting stages on a live ring, and see weight, fat loss, and energy use projected from your own body stats, then measured against what actually happened. TRACK YOUR FAST - Timer with stage markers: fat burning, ketosis, autophagy, and more - Any schedule: 16:8, 18:6, 20:4, OMAD, multi-day extended, or open-ended - Live Activity and Dynamic Island on iPhone, home screen widgets - Edit start and end times when life happens - Projected vs measured weight loss, side by side ASK YOUR FASTING ASSISTANT - Ask about your fasts, your weight, or how you feel during a fast - Answers based on your own log and the fasting.center knowledge base - Runs the calculators for you - how long to a goal weight or a body fat target - Free, with a daily limit of questions TWO CALCULATORS - Extended fast: total weight change, fat, water, glycogen, and protein loss day by day - Intermittent fasting: daily calorie deficit and expected weight change for your window - Personalized from your sex, age, height, weight, body fat, and activity MEASURE YOUR PROGRESS - Log weight, body fat, waist, ketones, glucose, and blood pressure - Rate energy, hunger, motivation, and stress during a fast - Apple Health sync: weight and body fat flow in automatically - Charts over 24h, 7 days, 30 days, 90 days, and a year - Import your history from Zero and Easy Fast YOUR DATA, YOURS - Free, no ads, no subscription - Works fully as a guest; optional sign-in with Apple or Google for cloud backup and sync - Delete your data and account anytime, completely Whether you are planning your first extended fast or fine-tuning a routine you have run for years, Fasting Center shows you what to expect and what actually happened. Fasting Center is a planning and estimation tool and does not provide medical advice. Consult a healthcare provider before starting an extended fast, especially if you have any underlying health conditions.
Screenshots
Verdict
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
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.
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 25 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.
Intermittent Fasting ships an update weekly, Fasting Center every 3 days. Both last shipped on October 28, 2026.
| Parameter | Intermittent Fasting | Fasting Center |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | 4.8 (25 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 5 | 25 — better |
| Update frequency | Weekly | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 48 MB | 49 MB |
| Age rating | 4+ | 12+ |
| Developer | Sofiia Stashkiv | Andrey Titov |
Customer experience
Intermittent Fasting
Fasting Center
In-app purchases
Intermittent Fasting
- Monthly Unlimited$4.991 Month
- Yearly Unlimited3 Days trial$29.991 Year
- Lifetime Unlimited$59.99
Fasting Center
No in-app purchases
Questions
Is Intermittent Fasting free?
Is Fasting Center free?
Which has better reviews, Intermittent Fasting or Fasting Center?
Do Intermittent Fasting or Fasting Center have ads?
Which is updated more often, Intermittent Fasting or Fasting Center?
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