Comparison

Fasting Center vs NoBS Fasting

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

Head to head
About

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.

Highlights
  • Personalized fast planning
  • Extended fast duration options
  • Projected weight change
  • Estimated fat loss
  • Energy use projection
  • Data-driven starting point
Features
Read full description

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.

About

NoBS Fasting

Features
Read full description

Minimalist, privacy-first intermittent fasting tracker. Local data only. No b******t. Just Fasting. Tired of intermittent fasting apps requiring forced cloud registrations, selling your personal data, and blocking essential timer features behind expensive monthly subscription paywalls? NoBS Fasting is an anti-bloat, distraction-free utility designed for individuals who value simplicity, efficiency, and absolute privacy. THE ZERO-TELEMETRY MANIFESTO • 100% Offline-First: All of your historical fasting metrics, timer logs, and current streaks are kept strictly inside your phone’s secure local storage database sandbox (Room DB). • Zero Cloud Accounts: No sign-ups, no tracking cookies, no invasive third-party analytics SDKs, and no background network telemetry signals. • Complete Data Ownership: Your data remains under your personal custody and control at all times. • Zero Forced Ads: No distracting banners or algorithmic pop-ups cluttering your visual landscape. INTUITIVE METABOLIC METRICS • Clean Matte Interface: A high-contrast, distraction-free timer loop designed to help you check your current fast state at a single glance. • Dynamic Visual States: The interface smoothly adapts as your body progresses through different biological phases—transitioning seamlessly into extended target tracking environments if you cross into overtime. • Simple Notifications: Purely local background system alerts remind you when your target fast achievements cross key intermittent milestones (16:8, 18:6, etc.). TRANSPARENT & INDEPENDENT This application is completely free to install with every single functional feature unlocked right out of the box. There are no hidden paywalls. If you find genuine value in independent, lightweight software and want to support ongoing infrastructure maintenance, optional developer tip tiers are available within the app settings interface. Take back your personal privacy. Strip away the corporate software bloat and focus entirely on your metabolic health journey.

Screenshots

Fasting Center4 screens
NoBS Fasting4 screens

Verdict

The call

The clearest difference is in-app purchases: Fasting Center at none against NoBS Fasting's 3. Fasting Center also leads on update cadence (every 3 days vs fortnightly) and device support (4 vs 2). On price and ads 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. NoBS Fasting sells 3 one-off in-app purchases. Fasting Center asks for nothing beyond the download.

UpkeepUpdate frequency

Fasting Center ships an update every 3 days, NoBS Fasting fortnightly. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

Scorecard4 real differences · 6 level
Fasting Center versus NoBS Fasting: the parameters behind the verdict, then further details
ParameterFasting CenterNoBS Fasting
PriceFreeFree
Rating4.8 (25 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings25 — better—
Update frequencyEvery 3 days — betterFortnightly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size48 MB1 MB
Age rating12+4+
DeveloperAndrey TitovDIEGO MANUEL FORTES

In-app purchases

None

Fasting Center

No in-app purchases

3 purchases

NoBS Fasting

One-time3
  • Support Tier 1$0.99
  • Support Tier 2$4.99
  • Support Tier 3$19.99

Questions

Is Fasting Center free?
Fasting Center is free to download, with no in-app purchases.
Is NoBS Fasting free?
NoBS Fasting is free to download, with in-app purchases available.
Do Fasting Center or NoBS Fasting have ads?
Neither Fasting Center nor NoBS Fasting shows ads.
Which is updated more often, Fasting Center or NoBS Fasting?
Fasting Center ships an update every 3 days, and NoBS Fasting fortnightly. Most recently, Fasting Center was updated on October 25, 2026 and NoBS Fasting on October 17, 2026.

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