CHMOD Lab vs Winmail.dat Opener · Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CHMOD Lab
This app provides an interactive sandbox and calculator to help users understand and manage Linux file permissions. It bridges the gap between octal and symbolic notation with real-time updates and visual representations.
- Interactive permission calculator
- Real-time octal and symbolic code updates
- Reverse lookup for permission codes
- Visual permission sandbox
- Built-in cheat sheets
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Stop guessing Linux file permissions. CHMOD Lab is the ultimate interactive sandbox and calculator for developers, SysAdmins, and students who want to master the command line. Whether you are configuring a web server, debugging a script, or studying for your Linux certification, CHMOD Lab bridges the gap between confusing octal numbers (755) and symbolic notation (rwxr-xr-x). FEATURES: • Interactive Calculator: Toggle permissions instantly. Tap "Read," "Write," or "Execute" and watch the Octal and Symbolic codes update in real-time. • Reverse Lookup: Type in a code like "644" and see exactly which permissions are granted. • Visual Sandbox: See permissions visualized to understand "who" can do "what" before you run the command. • Cheat Sheet: Built-in reference guides for common permission patterns. Master the command line. Download CHMOD Lab today.
Winmail.dat Opener · Viewer
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.
- 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
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Winmail.dat Opener Pro opens Winmail.dat (TNEF), .msg, and .oft Outlook email attachments on iPhone and iPad. Works fully offline with 100% on-device processing for maximum privacy. Multilingual support has been upgraded and optimized for fast, secure file access. The app safely unpacks Outlook winmail.dat (TNEF) files and opens .msg and .oft files directly on your device. All processing happens on-device, so your emails and attachments never leave your phone. Key features: • Open winmail.dat (TNEF), Outlook .msg, and .oft files. • Extract attachments including photos, PDFs, Word, and Excel files. • 100% on-device processing for maximum privacy. • Optimized for the latest iOS with Dark Mode and Drag & Drop. • Multilingual support fully upgraded and optimized. Supported formats: •Winmail.dat (TNEF) •Outlook Message (.msg) •Outlook Template (.oft) How to use: 1. Open the Mail app or Files app. 2. Tap the attachment (winmail.dat, .msg, or .oft). 3. Select Share and choose Winmail.dat Opener Pro. 4. View, print, or save your files instantly. No tracking. No cloud uploads. Just open your files — fast, private, and forever. We update regularly to ensure compatibility with the latest iOS versions. If you have any questions or feedback, feel free to contact us anytime. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: CHMOD Lab at none against Winmail.dat Opener · Viewer's 3. Winmail.dat Opener · Viewer's advantage is ratings volume (6 vs 1). On price, rating, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Winmail.dat Opener · Viewer sells 3 in-app purchases, starting at $1.99 per 7 days. CHMOD Lab asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for CHMOD Lab against 5.0 for Winmail.dat Opener · Viewer. That said, the two scores are not equally well evidenced: Winmail.dat Opener · Viewer has 6 ratings behind it against 1, so its average is the more settled of the two.
| Parameter | CHMOD Lab | Winmail.dat Opener · Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (6 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 6 — better |
| Update frequency | — | Every 9 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.6 | 17 — better |
| Further details — not scored | ||
| Size | 2 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Guy Miller | 延平 陈 |
In-app purchases
CHMOD Lab
No in-app purchases
Winmail.dat Opener · Viewer
- Premium Weekly$1.997 Days
- Premium Yearly$12.991 Year
- Winmail Opener Pro$19.99
Questions
Is CHMOD Lab free?
Is Winmail.dat Opener · Viewer free?
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