# MBOX Viewer vs MSG Reader · Converter, Opener

The clearest difference is iOS requirement: MSG Reader · Converter, Opener at 15.0 against MBOX Viewer's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. MBOX Viewer sells 3 in-app purchases, starting at $3.99 per 7 days and MSG Reader · Converter, Opener sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | MBOX Viewer | MSG Reader · Converter, Opener |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/mbox-viewer-email-file-reader/id6760871775/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | Subscription | — |
| Size | 24 MB | 34 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [延平 陈](https://appshunter.io/developer/1833168926) | [Rush Tools LLC](https://appshunter.io/developer/1896773547) |

## What reviewers say

### MBOX Viewer

[App page](https://appshunter.io/ios/app/mbox-viewer-email-file-reader/id6760871775)

Easily open, convert, and export MBOX email archives to various formats like PDF, EML, HTML, or TXT. This app offers fast performance for large files, batch conversion, and robust search capabilities. It prioritizes user privacy with 100% offline functionality and no account requirement.

**Highlights:** MBOX to PDF, EML, HTML, TXT conversion, Batch email export, Fast performance for large archives, Search and filter emails, View and extract attachments, Cross-device access with one subscription, 100% offline functionality

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $3.99 | per 7 days |
| Premium Yearly | $9.99 | per year |
| MBOX Viewer & Converter Premium | $19.99 | one-time |


### MSG Reader · Converter, Opener

[App page](https://appshunter.io/ios/app/msg-reader-converter-opener/id6777057114)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MSG Viewer Pro - Weekly | $4.99 | per 7 days |
| MSG Viewer Pro — Yearly | $29.99 | per year |


## Frequently asked questions

### Is MBOX Viewer free?

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

### Is MSG Reader · Converter, Opener free?

MSG Reader · Converter, Opener is free to download, with in-app purchases available.

### Do MBOX Viewer or MSG Reader · Converter, Opener have ads?

Neither MBOX Viewer nor MSG Reader · Converter, Opener shows ads.

### Which is updated more often, MBOX Viewer or MSG Reader · Converter, Opener?

MBOX Viewer ships an update every 5 days, and MSG Reader · Converter, Opener every 5 days. Most recently, MBOX Viewer was updated on October 8, 2026 and MSG Reader · Converter, Opener on October 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.*