# Schunk SonoCare vs HTML Viewer

The clearest difference is in-app purchases: Schunk SonoCare at none against HTML Viewer's 3. HTML Viewer's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. HTML Viewer sells 3 in-app purchases, starting at $4.99 per 7 days. Schunk SonoCare asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. Both last shipped on November 5, 2026.

## The numbers

| Metric | Schunk SonoCare | HTML Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 57 MB | 26 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Knowron GmbH](https://appshunter.io/developer/1581605933) | [明航 李](https://appshunter.io/developer/1823569127) |

## What reviewers say

### Schunk SonoCare

[App page](https://appshunter.io/ios/app/schunk-sonocare/id6754558263)

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

**In-app purchases:** none


### HTML Viewer

[App page](https://appshunter.io/ios/app/html-viewer-htmly/id6780105308)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $4.99 | per 7 days |
| Unlimited access | $24.99 | per year |
| Unlimited access | $24.99 | per year |


## Frequently asked questions

### Is Schunk SonoCare free?

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

### Is HTML Viewer free?

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

### Do Schunk SonoCare or HTML Viewer have ads?

Neither Schunk SonoCare nor HTML Viewer shows ads.

### Which is updated more often, Schunk SonoCare or HTML Viewer?

Schunk SonoCare ships an update monthly, and HTML Viewer monthly. Most recently, Schunk SonoCare was updated on November 5, 2026 and HTML Viewer on November 5, 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.*