# FastZen vs ZenTao Timer

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.

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.

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.

## The numbers

| Metric | FastZen | ZenTao Timer |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/fastzen-intermittent-fasting/id6744087602/reviews)** | — |
| Number of ratings | **9** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 months |
| Monetization | Freemium | — |
| Size | 27 MB | 0 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MefjuDev LLC](https://appshunter.io/developer/1777787735) | [昌飞 佘](https://appshunter.io/developer/1574625447) |

## What reviewers say

### FastZen

[App page](https://appshunter.io/ios/app/fastzen-intermittent-fasting/id6744087602)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $2.99 | per month |
| 3 Months | $7.99 | per 3 months |
| Yearly | $19.99 | per year |
| Lifetime | $39.99 | one-time |


### ZenTao Timer

[App page](https://appshunter.io/ios/app/zentao-timer/id6749047419)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*