# File Viewer vs Winmaildat Opener

File Viewer and Winmaildat Opener both sit at 3.4 stars, but that hides the real split: 78% of Winmaildat Opener's written reviews are positive against 38% of File Viewer's. Winmaildat Opener also leads on ratings volume (77 vs 5) and iOS requirement (13.0 vs 18.0). File Viewer's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. Winmaildat Opener sells 1 one-off in-app purchase. File Viewer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.4 for File Viewer against 3.5 for Winmaildat Opener. That said, the two scores are not equally well evidenced: Winmaildat Opener has 77 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 38% of File Viewer's written reviews are positive against 78% of Winmaildat Opener's.

File Viewer ships an update every 6 months, Winmaildat Opener every 5 months. The most recent releases landed on October 21, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | File Viewer | Winmaildat Opener |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (5 ratings)](https://appshunter.io/ios/app/file-viewer/id495987613/reviews) | **[3.5 (77 ratings)](https://appshunter.io/ios/app/winmaildat-opener/id596413390/reviews)** |
| Number of ratings | 5 | **77** |
| Positive reviews | 37.8% of reviews | **78.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 20 MB | 9 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sharpened Productions](https://appshunter.io/developer/410672596) | [Maklabu GmbH](https://appshunter.io/developer/1317928113) |

## What reviewers say

### File Viewer

[App page](https://appshunter.io/ios/app/file-viewer/id495987613)

Easily open and view over 100 different file types, including documents, images, videos, and archives. Browse files stored on your device or in iCloud Drive. This app also identifies unknown files and displays detailed file information.

**Highlights:** Open 100+ file types, Browse device and iCloud Drive, Built-in readers for Office, PDF, and images, Extract compressed archives, Identify unknown files, View file information and metadata

**Features:** Vision Pro support

**In-app purchases:** none


### Winmaildat Opener

[App page](https://appshunter.io/ios/app/winmaildat-opener/id596413390)

Easily open and access files from winmail.dat attachments on your mobile device. This utility allows you to preview, resend, print, or save contained files without needing an internet connection. An optional purchase removes ads.

**Highlights:** Open winmail.dat attachments, Preview contained files, Resend or print files, Save files to device, Offline extraction, Registers as .dat file handler

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Works as advertised
- 💰 Free with no hidden charges
- 📁 Opens winmail.dat files
- 🎉 Solves a common problem

**What reviewers complain about**

- 🐛 Doesn't work for some users
- 🗑️ Can't delete opened files
- 🔄 Unreliable file handling
- 🔒 Security concerns

**Reported bugs**

- Crashes on certain file types
- Doesn't work with iOS 13 and later
- Fails to open some winmail.dat attachments

**Requested features**

- Add ability to delete opened files
- Improve file handling and reliability
- Update design to match modern iOS


## Frequently asked questions

### Is File Viewer free?

File Viewer is free to download, with no in-app purchases.

### Is Winmaildat Opener free?

Winmaildat Opener is free to download, with in-app purchases available.

### Which has better reviews, File Viewer or Winmaildat Opener?

Winmaildat Opener is rated higher. File Viewer averages 3.4 out of 5 from 5 ratings, while Winmaildat Opener averages 3.5 from 77 ratings.

### Do File Viewer or Winmaildat Opener have ads?

Winmaildat Opener shows ads; File Viewer does not.

### Which is updated more often, File Viewer or Winmaildat Opener?

File Viewer ships an update every 6 months, and Winmaildat Opener every 5 months. Most recently, File Viewer was updated on October 21, 2026 and Winmaildat Opener on October 23, 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.*