# MHT Viewer vs Calc, Convert & QR Scan

The clearest difference is in-app purchases: Calc, Convert & QR Scan at none against MHT Viewer's 4. Calc, Convert & QR Scan also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. MHT Viewer sells 4 in-app purchases, starting at $3.99 per 7 days. Calc, Convert & QR Scan asks for nothing beyond the download.

MHT Viewer ships an update every 11 days, Calc, Convert & QR Scan weekly. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | MHT Viewer | Calc, Convert & QR Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (15 ratings)](https://appshunter.io/ios/app/mht-viewer-mhtml-reader/id6761450357/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | Freemium | — |
| Size | 16 MB | 66 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [延平 陈](https://appshunter.io/developer/1833168926) | [Denis Mikhailov](https://appshunter.io/developer/1709447093) |

## What reviewers say

### MHT Viewer

[App page](https://appshunter.io/ios/app/mht-viewer-mhtml-reader/id6761450357)

Easily open and read MHT and MHTML web archive files offline on your iPhone and iPad. Convert these files to HTML format while preserving layout and images. Access saved web pages quickly and securely on your device.

**Highlights:** Open MHT and MHTML files, Accurate web page rendering, Offline access, Convert MHT to HTML, Share or export content, Private and secure file handling

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MHT Viewer Pro Weekly | $3.99 | per 7 days |
| MHT Viewer Pro Monthly | $5.99 | per month |
| MHT Viewer Pro Yearly | $9.99 | per year |
| MHT Viewer Premium | $19.99 | one-time |


### Calc, Convert & QR Scan

[App page](https://appshunter.io/ios/app/calc-convert-and-qr-scan/id6761600395)

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

**In-app purchases:** none


## Frequently asked questions

### Is MHT Viewer free?

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

### Is Calc, Convert & QR Scan free?

Calc, Convert & QR Scan is free to download, with no in-app purchases.

### Do MHT Viewer or Calc, Convert & QR Scan have ads?

Neither MHT Viewer nor Calc, Convert & QR Scan shows ads.

### Which is updated more often, MHT Viewer or Calc, Convert & QR Scan?

MHT Viewer ships an update every 11 days, and Calc, Convert & QR Scan weekly. Most recently, MHT Viewer was updated on October 18, 2026 and Calc, Convert & QR Scan on October 6, 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.*