ZenithFast vs FastingKit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZenithFast
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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/
FastingKit
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Intermittent fasting has never been easier. Choose from plans like 12:12, 16:8, 18:6 and more, paired with weight logging, fasting reminders and Apple Watch to help you manage your health goals with ease. Start your fasting plan today! A simple, easy-to-use intermittent fasting tracker! Want to improve your health and reach your weight-loss goals through intermittent fasting? FastingKit is your best fasting companion, helping you manage every fast with ease. Key Features • Clean Design: A clutter-free interface keeps you focused on fasting itself. • Flexible Timer: Set your fasting window with one tap. Supports popular plans like 12:12, 16:8, 18:6, or customize a schedule that fits your rhythm. • Progress Tracking: Monitor your fasting progress with intuitive charts. Track fasting duration and weight changes to clearly see every step of change in your body. • Custom Reminders: Never miss a fasting window or eating time again! Set personalized reminders to keep your rhythm. • Fasting Log: Fully save your fasting history and look back on your growth. Every milestone is worth celebrating. • Health Knowledge: Learn about the benefits of intermittent fasting for weight loss, metabolism and overall health, and get valuable health information. • Live Activities: Supports the latest Live Activities feature — check your fasting status right from the Dynamic Island! • Widgets: Glance at your current fasting progress right from the Home Screen, and quickly start or end a fast. • Apple Watch: A beautiful watch app lets you start or end a fast and log fasting right from your wrist. Join the millions of people improving their health through intermittent fasting. Whether you're a beginner or a seasoned faster, FastingKit is the tool that helps you succeed. Benefits of Fasting Intermittent fasting has grown popular for its potential health benefits. Here are some of the main benefits: • Weight Loss: Intermittent fasting creates a calorie deficit, helping reduce calorie intake and promote weight loss. • Better Metabolism: Fasting can improve insulin sensitivity, help regulate blood sugar levels and boost metabolism. • Cellular Repair: During fasting, the body triggers autophagy, clearing out damaged components and promoting cellular renewal. • Heart Health: Intermittent fasting helps improve several cardiovascular risk markers, including lowering blood pressure, reducing triglycerides and improving cholesterol levels. • Brain Health: Studies suggest intermittent fasting may support brain health and cognitive function, and may even protect against neurodegenerative diseases like Alzheimer's. • Reduced Inflammation: Fasting can ease inflammatory responses in the body, and chronic inflammation is linked to arthritis, some cancers and various other conditions. Please note that intermittent fasting is not for everyone. If you have an underlying condition, are pregnant or taking medication, consult a healthcare professional before starting. A balanced diet and healthy lifestyle are what maximize the benefits of fasting. Privacy Policy: https://jusuoli.github.io/FastingKit-support/privacy-policy_en.html Terms of Use (EULA): https://jusuoli.github.io/FastingKit-support/terms_en.html
Screenshots
Verdict
The clearest difference is ads: FastingKit 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
Both are free to download. ZenithFast sells 2 in-app purchases, starting at $4.99 per month and FastingKit sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | ZenithFast | FastingKit |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 2 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac, Apple Watch — better |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 56 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Lunar Pixel | 锁利 俱 |
In-app purchases
ZenithFast
- Premium Monthly3 Days trial$4.991 Month
- Premium Annual3 Days trial$39.991 Year
FastingKit
- FastingKit Pro(Monthly)$0.991 Month
- FastingKit Pro(Yearly)$7.991 Year
- FastingKit Pro(Lifetime)$19.99








