# VSG101 Update vs Document Scanner And PDF

The clearest difference is in-app purchases: VSG101 Update at none against Document Scanner And PDF's 3. VSG101 Update also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Document Scanner And PDF sells 3 in-app purchases, starting at $4.49 per month. VSG101 Update asks for nothing beyond the download.

VSG101 Update ships an update every 5 weeks, Document Scanner And PDF every 2 months. The most recent releases landed on October 18, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | VSG101 Update | Document Scanner And PDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 1 MB | 26 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [VITALSIGNS TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1394370436) | [Yalintech](https://appshunter.io/developer/1530568426) |

## What reviewers say

### VSG101 Update

[App page](https://appshunter.io/ios/app/vsg101-update/id1628054504)

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

**In-app purchases:** none


### Document Scanner And PDF

[App page](https://appshunter.io/ios/app/document-scanner-and-pdf/id1636116919)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.49 | per month |
| Yearly Subscription | $7.49 | per year |
| One time purchase | $10.99 | one-time |


## Frequently asked questions

### Is VSG101 Update free?

VSG101 Update is free to download, with no in-app purchases.

### Is Document Scanner And PDF free?

Document Scanner And PDF is free to download, with in-app purchases available.

### Do VSG101 Update or Document Scanner And PDF have ads?

Document Scanner And PDF shows ads; VSG101 Update does not.

### Which is updated more often, VSG101 Update or Document Scanner And PDF?

VSG101 Update ships an update every 5 weeks, and Document Scanner And PDF every 2 months. Most recently, VSG101 Update was updated on October 18, 2026 and Document Scanner And PDF on October 13, 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.*