# Dat Unpack vs Winmail.Dat Opener · Win Dat

The clearest difference is ads: Winmail.Dat Opener · Win Dat at none against Dat Unpack's shown. Winmail.Dat Opener · Win Dat also leads on update cadence (every 9 days vs every 2 months) and device support (4 vs 2). On price and in-app purchases there is nothing between them.

Both are free to download. Dat Unpack sells 1 one-off in-app purchase and Winmail.Dat Opener · Win Dat sells 8 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Dat Unpack ships an update every 2 months, Winmail.Dat Opener · Win Dat every 9 days. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Dat Unpack | Winmail.Dat Opener · Win Dat |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 39 MB |
| Requires iOS | 17.5 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Ikhwan Noorsetyo](https://appshunter.io/developer/1739847271) | [RUSH TOOLS LLC](https://appshunter.io/developer/1896773547) |

## What reviewers say

### Dat Unpack

[App page](https://appshunter.io/ios/app/dat-unpack-winmail-viewer/id6743018127)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Winmail.Dat Opener · Win Dat

[App page](https://appshunter.io/ios/app/winmaildat-opener-win-dat/id6777723246)

Easily open and view the contents of winmail.dat and .tnef files that are often unreadable by other applications. Recover all attached files, convert messages to PDF or EML, and add contacts or calendar invites directly to your device.

**Highlights:** Open winmail.dat and .tnef files, Read full message content, View and save attachments, Convert to PDF or EML, Add contacts and calendar invites, Decode multiple files at once, Offline processing

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $1.99 | per 7 days |
| Pro Weekly | $2.99 | per 7 days |
| Pro Weekly | $3.99 | per 7 days |
| Pro Weekly | $4.99 | per 7 days |
| Pro Yearly | $19.99 | per year |
| Pro Yearly | $29.99 | per year |
| Pro Yearly | $39.99 | per year |
| Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is Dat Unpack free?

Dat Unpack is free to download, with in-app purchases available.

### Is Winmail.Dat Opener · Win Dat free?

Winmail.Dat Opener · Win Dat is free to download, with in-app purchases available.

### Do Dat Unpack or Winmail.Dat Opener · Win Dat have ads?

Dat Unpack shows ads; Winmail.Dat Opener · Win Dat does not.

### Which is updated more often, Dat Unpack or Winmail.Dat Opener · Win Dat?

Dat Unpack ships an update every 2 months, and Winmail.Dat Opener · Win Dat every 9 days. Most recently, Dat Unpack was updated on October 28, 2026 and Winmail.Dat Opener · Win Dat on November 5, 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.*