# VSH101 Update vs DOM Update

The clearest difference is update cadence: VSH101 Update at every 3 weeks against DOM Update's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

VSH101 Update ships an update every 3 weeks, DOM Update every 3 months. The most recent releases landed on September 16, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | VSH101 Update | DOM Update |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 1 MB | 53 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VITALSIGNS TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1394370436) | [DOM Sicherheitstechnik GmbH & Co. KG](https://appshunter.io/developer/1557896636) |

## What reviewers say

### VSH101 Update

[App page](https://appshunter.io/ios/app/vsh101-update/id1606062187)

**Features:** macOS Compatibility

**In-app purchases:** none


### DOM Update

[App page](https://appshunter.io/ios/app/dom-update/id1668985801)

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

**In-app purchases:** none


## Frequently asked questions

### Is VSH101 Update free?

VSH101 Update is free to download, with no in-app purchases.

### Is DOM Update free?

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

### Do VSH101 Update or DOM Update have ads?

Neither VSH101 Update nor DOM Update shows ads.

### Which is updated more often, VSH101 Update or DOM Update?

VSH101 Update ships an update every 3 weeks, and DOM Update every 3 months. Most recently, VSH101 Update was updated on September 16, 2026 and DOM Update on September 15, 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.*