Fasting Center vs SetR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
SetR
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SetR is a simple interval timer for HIIT, Tabata, strength training, cardio, and any workout built around work and rest. Create your workout, set your rounds, choose your work and rest times, and start moving. Build Your Workout Create custom routines with: • Work and rest intervals • Multiple rounds • Warmup and cooldown • Custom segment names Stay Focused SetR guides you through your workout with voice cues and countdowns, so you don't have to keep checking your screen. Your music can keep playing while SetR gives you the cues you need. Save Your Favorite Routines Save workouts you use again and again. Pin your favorites and start them whenever you're ready. Keep Your Workout History See your completed sessions, workout duration, and rounds completed. Repeat saved workouts whenever you want. Start Free The free version includes 1 workout per day and up to 2 saved templates. SetR Pro gives you: • Unlimited workouts • Unlimited saved templates • Full workout history Whether you're doing HIIT, Tabata, lifting, cardio, or simply need a reliable rest timer between sets, SetR keeps your workout simple. Terms of Use: https://devansh-mittal1.github.io/SetR/terms.html Privacy policy: https://devansh-mittal1.github.io/SetR/privacy.html SetR — Work. Rest. Repeat.
Screenshots
Verdict
The clearest difference is in-app purchases: Fasting Center at none against SetR's 2. Fasting Center also leads on device support (4 vs 2). On price, ads and iOS requirement 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. SetR sells 2 in-app purchases, starting at $2.99 per month. Fasting Center asks for nothing beyond the download.
| Parameter | Fasting Center | SetR |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (24 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 24 — better | — |
| Update frequency | Every 3 days | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 48 MB | 47 MB |
| Age rating | 12+ | 4+ |
| Developer | Andrey Titov | Devansh Mittal |
In-app purchases
Fasting Center
No in-app purchases
SetR
- Monthly Access$2.991 Month
- Yearly Access3 Days trial$29.991 Year









