# VSH101 Update vs ACM for locks

The clearest difference is ads: VSH101 Update at none against ACM for locks's shown. VSH101 Update also leads on update cadence (every 4 weeks vs every 6 months). On price, in-app purchases, device support and iOS requirement 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 4 weeks, ACM for locks every 6 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | VSH101 Update | ACM for locks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Every 6 months |
| Size | 1 MB | 10 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [VITALSIGNS TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1394370436) | [WOBBI TECHNOLOGY LIMITED](https://appshunter.io/developer/1667483448) |

## What reviewers say

### VSH101 Update

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

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

**In-app purchases:** none


### ACM for locks

[App page](https://appshunter.io/ios/app/acm-for-locks/id6446193435)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VSH101 Update free?

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

### Is ACM for locks free?

ACM for locks is free to download, with no in-app purchases.

### Do VSH101 Update or ACM for locks have ads?

ACM for locks shows ads; VSH101 Update does not.

### Which is updated more often, VSH101 Update or ACM for locks?

VSH101 Update ships an update every 4 weeks, and ACM for locks every 6 months. Most recently, VSH101 Update was updated on October 27, 2026 and ACM for locks on October 27, 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.*