# MBOX Viewer vs Document Reader & PDF Tools

The clearest difference is in-app purchases: Document Reader & PDF Tools at none against MBOX Viewer's 3. Document Reader & PDF Tools also leads on iOS requirement (13.0 vs 17.0). MBOX Viewer's advantage is ads (none vs shown) and update cadence (every 5 days vs monthly). On price and device support there is nothing between them.

Both are free to download. MBOX Viewer sells 3 in-app purchases, starting at $3.99 per 7 days. Document Reader & PDF Tools asks for nothing beyond the download.

MBOX Viewer ships an update every 5 days, Document Reader & PDF Tools monthly. The most recent releases landed on September 18, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | MBOX Viewer | Document Reader & PDF Tools |
| --- | --- | --- |
| Price | Free | 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 | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | Subscription | — |
| Size | 22 MB | 55 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [延平 陈](https://appshunter.io/developer/1833168926) | [Vu Quang Tuan](https://appshunter.io/developer/1894784824) |

## 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 |


### Document Reader & PDF Tools

[App page](https://appshunter.io/ios/app/document-reader-and-pdf-tools/id6762595313)

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

**In-app purchases:** none


## Frequently asked questions

### Is MBOX Viewer free?

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

### Is Document Reader & PDF Tools free?

Document Reader & PDF Tools is free to download, with no in-app purchases.

### Do MBOX Viewer or Document Reader & PDF Tools have ads?

Document Reader & PDF Tools shows ads; MBOX Viewer does not.

### Which is updated more often, MBOX Viewer or Document Reader & PDF Tools?

MBOX Viewer ships an update every 5 days, and Document Reader & PDF Tools monthly. Most recently, MBOX Viewer was updated on September 18, 2026 and Document Reader & PDF Tools on September 11, 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.*