ZenithFast vs Vasten
Price, ratings, monetisation and update history for both apps, side by side β 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 β with beautiful visual tools that keep you focused and motivated. WHY FAST WITH ZENITHFAST? β’ Burn fat more efficiently while boosting natural energy and recovery β no restrictive diets or intense workouts needed. β’ Support your body's natural processes: elevated growth hormone, sharper brain function, and better overall wellness. β’ Stay hydrated effortlessly during fasting windows to avoid fatigue and maximise benefits. β’ Skip complicated calorie counting β 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 β Watch your fasting window flow smoothly with our elegant visual countdown. Every fast feels intentional and motivating. Personalised Fasting Plans β Choose from 12:12, 14:10, 16:8, 18:6, 20:4, 5:2, OMAD, 36-Hour, and Warrior Diet protocols β or build a fully custom schedule to fit your lifestyle. Integrated Water Tracker β Gentle reminders to hydrate during your fast. Proper hydration unlocks better energy, focus, and fasting results. Smart Reminders & Notifications β Never miss your fasting start, fasting end, or water intake with subtle, non-intrusive alerts. Insights & Progress Analytics β Beautiful charts showing your fasting streaks, hydration consistency, weight trend, and long-term improvements. Health Metrics β Connect Apple Health to track resting heart rate, HRV, sleep, and energy alongside your fasting data. Ad-Free & Minimalist Design β 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: β’ All fasting plans including OMAD, 5:2, and Expert protocols β’ Unlimited history and advanced analytics β’ Custom fasting plan builder β’ Priority support Premium subscription options: β’ Monthly subscription β’ 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/
Vasten
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Vasten does one job well: it keeps an accurate record of your fast. Start in one tap, see elapsed time and your goal on the main screen, and keep the timer visible through a Home Screen widget, Lock Screen Live Activity, and Dynamic Island. Reaching the goal never ends the fast automaticallyβyou decide when it ends. Your history remains useful and under your control. Correct start and end times, review simple totals, import Vasten JSON or Zero history, export everything as JSON or CSV, or delete any record. Features: β’ One-tap start with an adjustable start time β’ Custom fasting goals from 1 to 168 hours β’ Clear widget goal progress and goal end times β’ Lock Screen and Dynamic Island Live Activity β’ Small and medium Home Screen widgets β’ Separate timer and 12-week fasting-activity widgets β’ Custom accent colors shared across the app and widgets β’ Editable history and summary statistics β’ Configurable local goal-time notification β’ Vasten JSON and Zero fasting-history import β’ Private device storage with private iCloud synchronization β’ JSON and CSV export β’ English and Dutch β’ No account, ads, analytics, or subscription Stage labels are general educational time ranges. They are not measurements of your body or medical advice.
Screenshots
Verdict
The clearest difference is in-app purchases: Vasten at none against ZenithFast's 2. Vasten also leads on ads (none vs shown). ZenithFast's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 26.5). On price there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. ZenithFast sells 2 in-app purchases, starting at $4.99 per month. Vasten asks for nothing beyond the download.
| Parameter | ZenithFast | Vasten |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Every 2 days |
| Ads | Yes | No β better |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 15.1 β better | 26.5 |
| Further details β not scored | ||
| Size | 56 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Lunar Pixel | Dennis Van Dalen |
In-app purchases
ZenithFast
- Premium Monthly3 Days trial$4.991 Month
- Premium Annual3 Days trial$39.991 Year
Vasten
No in-app purchases









