Comparison

FastZen vs ZenTao Timer

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

Head to head
About

FastZen

This app helps you manage your intermittent fasting journey with custom schedules, progress tracking, and smart reminders. Achieve your weight loss and energy goals with a clean, intuitive interface and motivational features.

Highlights
  • Custom fasting schedules (16:8, 20:4, OMAD, up to 168 hours)
  • Progress tracking with history, streaks, and insights
  • Smart reminders for fasting start and end times
  • Achievements and milestones for motivation
  • Calendar view of completed fasts
  • Light and dark mode
  • Widgets
Read full description

Fasting made simple — and actually enjoyable. FastZen is a beautifully designed intermittent fasting tracker that helps you reach your goals with 16:8, 18:6, 20:4, OMAD and extended fasts. Whether you want to lose weight, build healthier habits or simply feel better, FastZen keeps you motivated from your first hour to your finish line. WHY YOU'LL LOVE FASTZEN • EFFORTLESS TRACKING — Start any fast in one tap. A live countdown and a smooth progress ring show exactly where you are. • LOCK SCREEN & DYNAMIC ISLAND — Follow your fast at a glance with Live Activities, without even opening the app. • APPLE HEALTH SYNC — Fasting sessions and your weight are saved to Apple Health automatically. • BODY TRACKING — Log your weight and water intake and watch your progress trend over time. • 16 PROTOCOLS + CUSTOM PLANS — From beginner-friendly 12:12 and 16:8 to 24, 48 and 72-hour fasts — or create your own schedule. • SMART REMINDERS — Get notified when your eating window opens and closes, and never miss the end of a fast. • CHALLENGES & STREAKS — Stay consistent with weekly challenges and keep your streak alive. • PROGRESS YOU CAN SEE — Weekly charts, a calendar heatmap and clear stats show how far you've come. • PRIVACY FIRST — Your fast is hidden when you switch apps, and you can export your data anytime. HOW IT WORKS 1. Answer a few quick questions so we can tailor a plan to your goals. 2. Pick your protocol — 16:8, 20:4, OMAD or fully custom. 3. Start your first fast and let FastZen handle the rest. FASTZEN PREMIUM FastZen is a subscription app. Every plan begins with a 7-day free trial, and you can cancel anytime in your App Store account settings before the trial ends. Your fasts, history and progress stay saved across all your devices via iCloud. Terms of Use: https://sites.google.com/view/mefjudevllc/terms-conditions Privacy Policy: https://sites.google.com/view/mefjudevllc/privacy-policy

About

ZenTao Timer

Features
Read full description

A quiet timer for focus, meditation, reading, and rest. Set a time. Tap start. Stay present. • Minimal, distraction-free design • Gentle completion notifications • Remembers your preferred duration • Works entirely offline • No accounts, ads, or tracking Time, without noise.

Screenshots

FastZen3 screens
ZenTao Timer3 screens

Verdict

The call

The clearest difference is price: FastZen at Free against ZenTao Timer's $0.99. FastZen also leads on update cadence (every 5 days vs every 6 months). ZenTao Timer's advantage is in-app purchases (none vs 5) and device support (3 vs 1). On 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

FastZen is free to download; ZenTao Timer costs $0.99 up front. FastZen sells 5 in-app purchases, starting at $1.99 per 7 days. ZenTao Timer asks for nothing beyond the download.

UpkeepUpdate frequency

FastZen ships an update every 5 days, ZenTao Timer every 6 months. The most recent releases landed on October 9, 2026 and October 28, 2026 respectively.

Scorecard5 real differences · 4 level
FastZen versus ZenTao Timer: the parameters behind the verdict, then further details
ParameterFastZenZenTao Timer
PriceFree — better$0.99
Rating5.0 (9 ratings) — better—
Number of ratings9 — better—
Update frequencyEvery 5 days — betterEvery 6 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS26.015.6 — better
Further details — not scored
Size27 MB0 MB
Age rating4+4+
DeveloperMefjuDev LLC昌飞 佘

In-app purchases

5 purchases

FastZen

Subscriptions4
  • Weekly3 Days trial$1.997 Days
  • Monthly$2.991 Month
  • 3 Months$7.993 Months
Show 1 more
  • Yearly$19.991 Year
One-time1
  • Lifetime$39.99
None

ZenTao Timer

No in-app purchases

Questions

Is FastZen free?
FastZen is free to download, with in-app purchases available.
Is ZenTao Timer free?
ZenTao Timer costs $0.99, with no in-app purchases.
Do FastZen or ZenTao Timer have ads?
Neither FastZen nor ZenTao Timer shows ads.
Which is updated more often, FastZen or ZenTao Timer?
FastZen ships an update every 5 days, and ZenTao Timer every 6 months. Most recently, FastZen was updated on October 9, 2026 and ZenTao Timer on October 28, 2026.

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