# MSG Viewer vs MBOX Viewer · Mail File Reader

The clearest difference is review sentiment: MSG Viewer at 94% against MBOX Viewer · Mail File Reader's 0%. MSG Viewer also leads on ads (none vs shown) and monetization model (free vs free with in-app purchases). MBOX Viewer · Mail File Reader's advantage is rating (5.0 vs 4.7) and iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. MSG Viewer sells 3 in-app purchases, starting at $3.99 per 7 days and MBOX Viewer · Mail File Reader sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

MBOX Viewer · Mail File Reader holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: MSG Viewer has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 94% of MSG Viewer's written reviews are positive against 0% of MBOX Viewer · Mail File Reader's, so the app with the better star average is not the one people write more warmly about.

MSG Viewer ships an update fortnightly, MBOX Viewer · Mail File Reader every 8 days. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | MSG Viewer | MBOX Viewer · Mail File Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (12 ratings)](https://appshunter.io/ios/app/msg-viewer-email-opener/id6758084152/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mbox-viewer-mail-file-reader/id6760363352/reviews)** |
| Number of ratings | **12** | 1 |
| Positive reviews | **93.8% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 21 MB | 26 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) | [OMER FARUK KIZILTUG](https://appshunter.io/developer/1870337585) |

## What reviewers say

### MSG Viewer

[App page](https://appshunter.io/ios/app/msg-viewer-email-opener/id6758084152)

Easily open and manage various email file formats like .msg, .oft, and .eml without needing Microsoft Outlook. This app allows you to view full email details, search content, handle attachments, and export files to multiple formats. It prioritizes user privacy with local processing and no account requirements.

**Highlights:** Open .msg, .oft, .eml, .mbox, .mht files, View full email details and headers, Search within email content, Manage and preview attachments, Export emails to PDF, HTML, EML, and more, Offline and privacy-focused processing, Dark Mode support

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $3.99 | per 7 days |
| Pro Yearly | $9.99 | per year |
| Pro Lifetime Access | $19.99 | one-time |


### MBOX Viewer · Mail File Reader

[App page](https://appshunter.io/ios/app/mbox-viewer-mail-file-reader/id6760363352)

This application allows you to open and read large MBOX and EML email files directly on your device. It offers robust search capabilities, an attachment gallery, and export options to various formats, with advanced features available via a PRO upgrade.

**Highlights:** Open MBOX and EML files offline, Handles large file sizes (250GB+), Attachment gallery, Detailed and basic search, Export to PDF, EML, HTML, Salt-Text, Forensic analysis tools, Bates-numbered PDF generation

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly Plan | $6.99 | per 7 days |
| Premium Annual Subscription | $49.99 | per year |
| Lifetime Premium Access | $119.99 | one-time |


## Frequently asked questions

### Is MSG Viewer free?

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

### Is MBOX Viewer · Mail File Reader free?

MBOX Viewer · Mail File Reader is free to download, with in-app purchases available.

### Which has better reviews, MSG Viewer or MBOX Viewer · Mail File Reader?

MBOX Viewer · Mail File Reader is rated higher. MSG Viewer averages 4.7 out of 5 from 12 ratings, while MBOX Viewer · Mail File Reader averages 5.0 from 1 ratings.

### Do MSG Viewer or MBOX Viewer · Mail File Reader have ads?

MBOX Viewer · Mail File Reader shows ads; MSG Viewer does not.

### Which is updated more often, MSG Viewer or MBOX Viewer · Mail File Reader?

MSG Viewer ships an update fortnightly, and MBOX Viewer · Mail File Reader every 8 days. Most recently, MSG Viewer was updated on October 18, 2026 and MBOX Viewer · Mail File Reader on October 14, 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.*