# FastZen vs Fasting Tracker & 16

FastZen and Fasting Tracker & 16 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. FastZen sells 3 one-off in-app purchases and Fasting Tracker & 16 sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

FastZen ships an update weekly, Fasting Tracker & 16 every 2 weeks. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | FastZen | Fasting Tracker & 16 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 10 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Benjamin Dupin](https://appshunter.io/developer/1871474236) | [Ali Dinc](https://appshunter.io/developer/1522583405) |

## What reviewers say

### FastZen

[App page](https://appshunter.io/ios/app/fastzen-fasting-timer/id6761484595)

This app helps you manage your fasting schedule with customizable timers and reminders. It offers a recurring weekly routine, a timer that remembers your progress, and a clear view of your active fast. Review your history and track your streaks, all while keeping your data private on your device.

**Highlights:** Customizable fasting schedules, Recurring weekly routine setup, Live Activities for active fast tracking, Detailed fasting history and streaks, No account, ads, or server sync, Custom Week one-time purchase

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.99 | one-time |
| Thanks | $2.99 | one-time |
| Support development | $4.99 | one-time |


### Fasting Tracker & 16

[App page](https://appshunter.io/ios/app/fasting-tracker-and-168-timer/id6806782372)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastPace+ Monthly | $6.99 | per month |
| FastPace+ Yearly | $24.99 | per year |


## Frequently asked questions

### Is FastZen free?

FastZen is free to download, with in-app purchases available.

### Is Fasting Tracker & 16 free?

Fasting Tracker & 16 is free to download, with in-app purchases available.

### Do FastZen or Fasting Tracker & 16 have ads?

Neither FastZen nor Fasting Tracker & 16 shows ads.

### Which is updated more often, FastZen or Fasting Tracker & 16?

FastZen ships an update weekly, and Fasting Tracker & 16 every 2 weeks. Most recently, FastZen was updated on October 7, 2026 and Fasting Tracker & 16 on October 14, 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.*