# Fastix vs Zim HIIT

The clearest difference is in-app purchases: Zim HIIT at none against Fastix's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Fastix sells 2 in-app purchases, starting at $9.99 per month. Zim HIIT asks for nothing beyond the download.

## The numbers

| Metric | Fastix | Zim HIIT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 25 MB | 29 MB |
| Requires iOS | 16 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Danylo Budylkin](https://appshunter.io/developer/6778012130) | [Jose Gustavo Zimbron Lara](https://appshunter.io/developer/1456342274) |

## What reviewers say

### Fastix

[App page](https://appshunter.io/ios/app/fastix-fasting-timer-and-diet/id6780178790)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fastix Premium — Monthly | $9.99 | per month |
| Fastix Premium — Yearly Discount | $59.99 | per year |


### Zim HIIT

[App page](https://appshunter.io/ios/app/zim-hiit-interval-timer/id6781440977)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fastix free?

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

### Is Zim HIIT free?

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

### Do Fastix or Zim HIIT have ads?

Neither Fastix nor Zim HIIT shows ads.

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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.*