# Winmail File Viewer & Opener vs Msg Viewer Pro

The clearest difference is price: Winmail File Viewer & Opener at Free against Msg Viewer Pro's $4.99. Winmail File Viewer & Opener also leads on ratings volume (86 vs 4) and update cadence (every 3 weeks vs every 2 months). Msg Viewer Pro's advantage is in-app purchases (none vs 8) and review sentiment (69% vs 57%). On rating, ads and device support there is nothing between them.

Winmail File Viewer & Opener is free to download; Msg Viewer Pro costs $4.99 up front. Winmail File Viewer & Opener sells 8 in-app purchases, starting at $3.99 per 7 days. Msg Viewer Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.1 for Winmail File Viewer & Opener against 4.0 for Msg Viewer Pro. That said, the two scores are not equally well evidenced: Winmail File Viewer & Opener has 86 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 57% of Winmail File Viewer & Opener's written reviews are positive against 69% of Msg Viewer Pro's.

Winmail File Viewer & Opener ships an update every 3 weeks, Msg Viewer Pro every 2 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Winmail File Viewer & Opener | Msg Viewer Pro |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.1 (86 ratings)](https://appshunter.io/ios/app/winmail-file-viewer-and-opener/id379500151/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/msg-viewer-pro/id1019539949/reviews) |
| Number of ratings | **86** | 4 |
| Positive reviews | 56.9% of reviews | **69.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 9 MB | 8 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [An Sinh Pham](https://appshunter.io/developer/1475832880) | [群群 刘](https://appshunter.io/developer/687318257) |

## What reviewers say

### Winmail File Viewer & Opener

[App page](https://appshunter.io/ios/app/winmail-file-viewer-and-opener/id379500151)

Easily open and extract attachments from winmail.dat files on your Apple devices. This app decodes TNEF files, allowing you to view and save hidden email attachments like PDFs and images directly to your device.

**Highlights:** Open winmail.dat / TNEF files, Extract hidden email attachments, Preview common file types, Save or share attachments, Works offline and on-device, Supports iPhone, iPad, and Mac

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited (Weekly) - 20% Off! | $3.99 | per 7 days |
| Winmail Unlimited (Weekly) | $4.99 | per 7 days |
| Unlimited (Monthly) - 30% Off! | $6.99 | per month |
| Winmail Unlimited (Monthly) | $9.99 | per month |
| Winmail Unlimited (Annual) | $59.99 | per year |
| Decode 10 | $4.99 | one-time |
| Decode 30 | $9.99 | one-time |
| Decode 100 | $29.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 Solves a common problem
- 💡 Useful for business users
- 🚀 Works as advertised
- 👍 Great customer service

**What reviewers complain about**

- 🐛 Doesn't work with some file types
- 💰 Requires payment for extended use
- 🐛 Compatibility issues with newer iOS versions
- 🐛 Crashes or doesn't open files

**Reported bugs**

- Crashes when opening certain files
- Blank screen or no content displayed
- Compatibility issues with iPhone 4S and iPad

**Requested features**

- Ability to view and edit files
- Improved file format compatibility
- Automatic updates for new iOS versions


### Msg Viewer Pro

[App page](https://appshunter.io/ios/app/msg-viewer-pro/id1019539949)

Easily view and manage Microsoft Outlook .msg, .oft, and .eml files, along with winmail.dat and .mht formats. Access messages, notes, contacts, and attachments with a simple, fast interface. Share, print, or preview files directly from your device.

**Highlights:** Open MSG, OFT, EML, Winmail.dat, MHT files, View messages, notes, contacts, attachments, Preview and share attachments, Add files via iTunes File Sharing, Share or open documents with other apps, Print documents, Dark mode support

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✅ Opens .msg files reliably on Mac
- 👍 User-friendly and simple interface
- 💰 Affordable one-time purchase ($4.99-$5)
- 📎 Handles attachments well
- 🔄 Works across Mac, iPhone, and iPad

**What reviewers complain about**

- 🐛 Frequent crashes on various macOS versions
- 🐛 Crashes especially with large files and attachments
- ⚠️ Performance issues with large .mbox files (8.5GB+)
- 🖼️ Inline images don't render correctly
- 🖼️ Images appear as attachments instead of embedded

**Reported bugs**

- App crashes repeatedly when opening certain messages
- Crashes when closing emails within the app
- M1/M1 Pro/Max compatibility issues
- Memory management problems with large files
- Search crashes on large archives

**Requested features**

- Dark mode and light mode options
- Drag and drop functionality
- More powerful search commands
- Integration with third-party search tools (HoudahSpot)
- Direct export from .oft to .emltpl format


## Frequently asked questions

### Is Winmail File Viewer & Opener free?

Winmail File Viewer & Opener is free to download, with in-app purchases available.

### Is Msg Viewer Pro free?

Msg Viewer Pro costs $4.99, with no in-app purchases.

### Which has better reviews, Winmail File Viewer & Opener or Msg Viewer Pro?

Winmail File Viewer & Opener is rated higher. Winmail File Viewer & Opener averages 4.1 out of 5 from 86 ratings, while Msg Viewer Pro averages 4.0 from 4 ratings.

### Do Winmail File Viewer & Opener or Msg Viewer Pro have ads?

Neither Winmail File Viewer & Opener nor Msg Viewer Pro shows ads.

### Which is updated more often, Winmail File Viewer & Opener or Msg Viewer Pro?

Winmail File Viewer & Opener ships an update every 3 weeks, and Msg Viewer Pro every 2 months. Most recently, Winmail File Viewer & Opener was updated on September 24, 2026 and Msg Viewer Pro on September 22, 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.*