# MailPeek MSG Viewer vs MBOX Viewer

The clearest difference is price: MBOX Viewer at Free against MailPeek MSG Viewer's $3.99. MBOX Viewer also leads on update cadence (every 5 days vs every 4 months). MailPeek MSG Viewer's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

MBOX Viewer is free to download; MailPeek MSG Viewer costs $3.99 up front. MBOX Viewer sells 3 in-app purchases, starting at $3.99 per 7 days. MailPeek MSG Viewer asks for nothing beyond the download.

MailPeek MSG Viewer ships an update every 4 months, MBOX Viewer every 5 days. The most recent releases landed on September 19, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | MailPeek MSG Viewer | MBOX Viewer |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[5.0 (10 ratings)](https://appshunter.io/ios/app/mbox-viewer-email-file-reader/id6760871775/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | — | Subscription |
| Size | 4 MB | 22 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Sneed IT GmbH](https://appshunter.io/developer/1123369428) | [延平 陈](https://appshunter.io/developer/1833168926) |

## What reviewers say

### MailPeek MSG Viewer

[App page](https://appshunter.io/ios/app/mailpeek-msg-viewer/id6760124273)

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is MailPeek MSG Viewer free?

MailPeek MSG Viewer costs $3.99, with no in-app purchases.

### Is MBOX Viewer free?

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

### Do MailPeek MSG Viewer or MBOX Viewer have ads?

Neither MailPeek MSG Viewer nor MBOX Viewer shows ads.

### Which is updated more often, MailPeek MSG Viewer or MBOX Viewer?

MailPeek MSG Viewer ships an update every 4 months, and MBOX Viewer every 5 days. Most recently, MailPeek MSG Viewer was updated on September 19, 2026 and MBOX Viewer on September 18, 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.*