# Holyiot vs Hetz Hetz

The clearest difference is in-app purchases: Holyiot at none against Hetz Hetz's 2. Holyiot also leads on iOS requirement (10.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Hetz Hetz sells 2 in-app purchases, starting at $3.99 per month. Holyiot asks for nothing beyond the download.

## The numbers

| Metric | Holyiot | Hetz Hetz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 28 MB | 31 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Hong yi yun jia technology Co.,LTD](https://appshunter.io/developer/1188616341) | [Geekme](https://appshunter.io/developer/823506026) |

## What reviewers say

### Holyiot

[App page](https://appshunter.io/ios/app/holyiot-sensor/id6449424647)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hetz Hetz

[App page](https://appshunter.io/ios/app/hetz-hetz/id6800256093)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO | $3.99 | per month |
| Pro | $39.99 | per year |


## Frequently asked questions

### Is Holyiot free?

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

### Is Hetz Hetz free?

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

### Do Holyiot or Hetz Hetz have ads?

Neither Holyiot nor Hetz Hetz 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.*