# VibeKeeper vs Winmail.dat Opener · Viewer

The clearest difference is in-app purchases: VibeKeeper at none against Winmail.dat Opener · Viewer's 3. VibeKeeper also leads on update cadence (every 4 days vs every 9 days) and iOS requirement (12.0 vs 17). On price, ads and device support there is nothing between them.

Both are free to download. Winmail.dat Opener · Viewer sells 3 in-app purchases, starting at $1.99 per 7 days. VibeKeeper asks for nothing beyond the download.

VibeKeeper ships an update every 4 days, Winmail.dat Opener · Viewer every 9 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | VibeKeeper | Winmail.dat Opener · Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/winmaildat-opener-viewer/id6758431753/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 9 days |
| Monetization | — | Paid |
| Size | 29 MB | 16 MB |
| Requires iOS | **12.0** | 17 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [佳钊 吴](https://appshunter.io/developer/1870721868) | [延平 陈](https://appshunter.io/developer/1833168926) |

## What reviewers say

### VibeKeeper

[App page](https://appshunter.io/ios/app/vibekeeper-keep-coding-vibes/id6758080255)

**Features:** macOS Compatibility

**In-app purchases:** none


### Winmail.dat Opener · Viewer

[App page](https://appshunter.io/ios/app/winmaildat-opener-viewer/id6758431753)

Easily open and extract attachments from Winmail.dat, .msg, and .oft email files directly on your device. This utility offers a private, offline solution with a one-time purchase, ensuring your data never leaves your phone.

**Highlights:** Open winmail.dat (TNEF) files, Open Outlook .msg and .oft files, Extract attachments (photos, PDFs, Word, Excel), 100% on-device processing, One-time purchase, no subscriptions, Supports Dark Mode and Drag & Drop

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $1.99 | per 7 days |
| Premium Yearly | $12.99 | per year |
| Winmail Opener Pro | $19.99 | one-time |


## Frequently asked questions

### Is VibeKeeper free?

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

### Is Winmail.dat Opener · Viewer free?

Winmail.dat Opener · Viewer is free to download, with in-app purchases available.

### Do VibeKeeper or Winmail.dat Opener · Viewer have ads?

Neither VibeKeeper nor Winmail.dat Opener · Viewer shows ads.

### Which is updated more often, VibeKeeper or Winmail.dat Opener · Viewer?

VibeKeeper ships an update every 4 days, and Winmail.dat Opener · Viewer every 9 days. Most recently, VibeKeeper was updated on October 28, 2026 and Winmail.dat Opener · Viewer on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*