Comparison

ZenithFast 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

ZenithFast

Features
Read full description

Reach Your Peak with Fasting & Hydration. ZenithFast is the clean, distraction-free fasting and water tracker designed to help you achieve peak energy, mental clarity, and lasting results. Whether you practice intermittent fasting for weight loss, water fasting, or simply want to optimise your health, ZenithFast delivers a simple yet powerful experience — with beautiful visual tools that keep you focused and motivated. WHY FAST WITH ZENITHFAST? • Burn fat more efficiently while boosting natural energy and recovery — no restrictive diets or intense workouts needed. • Support your body's natural processes: elevated growth hormone, sharper brain function, and better overall wellness. • Stay hydrated effortlessly during fasting windows to avoid fatigue and maximise benefits. • Skip complicated calorie counting — just focus on clean fasting with intuitive timers and smart water tracking. Fasting done right with proper hydration is one of the most natural ways to lose weight, simplify your routine, and feel your best every day. ZenithFast makes it effortless. KEY FEATURES Beautiful Fasting Timer — Watch your fasting window flow smoothly with our elegant visual countdown. Every fast feels intentional and motivating. Personalised Fasting Plans — Choose from 12:12, 14:10, 16:8, 18:6, 20:4, 5:2, OMAD, 36-Hour, and Warrior Diet protocols — or build a fully custom schedule to fit your lifestyle. Integrated Water Tracker — Gentle reminders to hydrate during your fast. Proper hydration unlocks better energy, focus, and fasting results. Smart Reminders & Notifications — Never miss your fasting start, fasting end, or water intake with subtle, non-intrusive alerts. Insights & Progress Analytics — Beautiful charts showing your fasting streaks, hydration consistency, weight trend, and long-term improvements. Health Metrics — Connect Apple Health to track resting heart rate, HRV, sleep, and energy alongside your fasting data. Ad-Free & Minimalist Design — A sleek, focused interface with zero distractions. Perfect for beginners and seasoned fasters who want simplicity. FASTING PLANS INCLUDED Beginner: 12:12, 14:10, 16:8 Intermediate: 18:6, 20:4, 5:2 Expert: OMAD, 36-Hour Fast, Warrior Diet Custom: Build your own daily or weekly fasting schedule ZENITHFAST PREMIUM Unlock the full power of ZenithFast Premium: • All fasting plans including OMAD, 5:2, and Expert protocols • Unlimited history and advanced analytics • Custom fasting plan builder • Priority support Premium subscription options: • Monthly subscription • Yearly subscription (best value) Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Manage your subscription in your Apple ID Account Settings. Any unused portion of a free trial will be forfeited upon purchase of a subscription. Terms of Use: https://zenithfast.app/terms Privacy Policy: https://zenithfast.app/privacy-policy Reach your zenith. Fast clean. Hydrate deep. PRIVACY POLICY: https://zenithfast.app/privacy-policy LICENSE AGREEMENT By downloading this app you agree to the Apple End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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

ZenithFast4 screens
NoBS Fasting4 screens

Verdict

The call

The clearest difference is ads: NoBS Fasting at none against ZenithFast's shown. ZenithFast's advantage is iOS requirement (15.1 vs 17.0). On price, 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. ZenithFast sells 2 in-app purchases, starting at $4.99 per month and NoBS Fasting sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 4 level
ZenithFast versus NoBS Fasting: the parameters behind the verdict, then further details
ParameterZenithFastNoBS Fasting
PriceFreeFree
Update frequency—Fortnightly
AdsYesNo — better
In-app purchasesYesYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size56 MB1 MB
Age rating4+4+
DeveloperLunar PixelDIEGO MANUEL FORTES

In-app purchases

2 purchases

ZenithFast

Subscriptions2
  • Premium Monthly3 Days trial$4.991 Month
  • Premium Annual3 Days trial$39.991 Year
3 purchases

NoBS Fasting

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

Questions

Is ZenithFast free?
ZenithFast is free to download, with in-app purchases available.
Is NoBS Fasting free?
NoBS Fasting is free to download, with in-app purchases available.
Do ZenithFast or NoBS Fasting have ads?
ZenithFast shows ads; NoBS Fasting does not.

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