# MHT Viewer vs OneCall

The clearest difference is ads: MHT Viewer at none against OneCall's shown. MHT Viewer also leads on iOS requirement (17.0 vs 26.2). On price, update cadence, in-app purchases 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 and OneCall sells 1 in-app purchase, starting at $0.29 per month. Whichever you choose, the download price is not the number that matters.

MHT Viewer ships an update every 11 days, OneCall weekly. The most recent releases landed on September 18, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | MHT Viewer | OneCall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/mht-viewer-mhtml-reader/id6761450357/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | Freemium | — |
| Size | 16 MB | 17 MB |
| Requires iOS | **17.0** | 26.2 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [延平 陈](https://appshunter.io/developer/1833168926) | [Kerem Gonlkrmaz](https://appshunter.io/developer/1882973074) |

## 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 |


### OneCall

[App page](https://appshunter.io/ios/app/onecall-private-p2p-video/id6761677608)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.29 | per month |


## Frequently asked questions

### Is MHT Viewer free?

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

### Is OneCall free?

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

### Do MHT Viewer or OneCall have ads?

OneCall shows ads; MHT Viewer does not.

### Which is updated more often, MHT Viewer or OneCall?

MHT Viewer ships an update every 11 days, and OneCall weekly. Most recently, MHT Viewer was updated on September 18, 2026 and OneCall on September 12, 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.*