Comparison

168 vs ZenithFast

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

Head to head
About

168

This app helps you track intermittent fasting with a focus on simplicity and visual progress. It offers scientific dietary advice and integrates seamlessly with dark mode for a comfortable experience.

Highlights
  • Minimalist tracking
  • Visual progress rings
  • Weekly/monthly data insights
  • Scientific dietary advice
  • Dark mode support
Features
Read full description

Make fasting fit your life. See every effort add up. Start a fast in just a few taps. 168 brings your timer, eating window, history, and trends together, so you can follow today's progress and see how far you've come. Know where you stand See elapsed time, progress toward your goal, and your expected finish time at a glance. Clear fasting and eating phases help you plan your day around your routine. Keep your progress close Add a widget to your Home Screen to see your time, progress, and expected finish without opening the app. Your routine stays in view while you get on with your day. See your effort add up Explore weekly, monthly, and six-month views of your fasting history. See completed fasts, total hours, and average duration, and turn individual sessions into a bigger picture. Find a plan that fits Choose from fasting schedules including 16:8, 18:6, and 20:4, or set a custom duration. Enable notifications to hear when you reach your fasting goal or your eating window ends. Fix a record in moments Correct the start and end times of completed fasts or delete entries you no longer need. Your statistics update along with your history, so your progress reflects what actually happened. Learn more, with sources to explore Discover tips for fasting and eating, with references to research papers you can explore for yourself. No account to create. Just open the app and get started. iCloud sync keeps your fasting history connected across iPhone and iPad. Available in English, Simplified Chinese, Japanese, Korean, and Spanish. Start your next fast. Make it part of your rhythm.

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/

Screenshots

1684 screens
ZenithFast4 screens

Verdict

The call

The clearest difference is in-app purchases: 168 at none against ZenithFast's 2. 168 also leads on ads (none vs shown). ZenithFast's advantage is iOS requirement (15.1 vs 17.0). On price 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. 168 asks for nothing beyond the download.

Scorecard3 real differences · 7 level
168 versus ZenithFast: the parameters behind the verdict, then further details
Parameter168ZenithFast
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 weeks—
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size4 MB56 MB
Age rating17+4+
Developer凌青 张Lunar Pixel

In-app purchases

None

168

No in-app purchases

2 purchases

ZenithFast

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

Questions

Is 168 free?
168 is free to download, with no in-app purchases.
Is ZenithFast free?
ZenithFast is free to download, with in-app purchases available.
Do 168 or ZenithFast have ads?
ZenithFast shows ads; 168 does not.

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