# ZenithFast vs Vasten

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.

Both are free to download. ZenithFast sells 2 in-app purchases, starting at $4.99 per month. Vasten asks for nothing beyond the download.

## The numbers

| Metric | ZenithFast | Vasten |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | — | Every 2 days |
| Size | 56 MB | 2 MB |
| Requires iOS | **15.1** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lunar Pixel](https://appshunter.io/developer/1894289905) | [Dennis Van Dalen](https://appshunter.io/developer/1862992231) |

## What reviewers say

### ZenithFast

[App page](https://appshunter.io/ios/app/zenithfast-fasting-tracker/id6762472390)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Annual | $39.99 | per year |


### Vasten

[App page](https://appshunter.io/ios/app/vasten-fasting-timer/id6791755315)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZenithFast free?

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

### Is Vasten free?

Vasten is free to download, with no in-app purchases.

### Do ZenithFast or Vasten have ads?

ZenithFast shows ads; Vasten does not.

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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.*