Comparison

WinDat Opener vs DB One

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

WinDat Opener

Easily open and extract attachments from winmail.dat email files. This utility integrates with your device's file manager and cloud storage, allowing you to preview or open embedded documents and images with other applications.

Highlights
  • Decodes all winmail.dat files
  • iOS 17 and iPadOS 17 support
  • Drag-and-drop support on iPads
  • File manager integration (iCloud, Dropbox)
  • Extracts and previews embedded attachments
  • Supports various document and image formats
Read full description

· Decodes all winmail.dat files · iOS 17 and iPadOS 17 support · Full support for drag-and-drop on iPads · File manager integration; WinDat Opener will open and save files to and from any location that file manger supported, e.g., iCloud and DropBox WinDat Opener opens the "winmail.dat" email attachments that are sometimes sent by Outlook and Outlook Express email clients. These files are in “TNEF” format, and usually contain attachments such as spreadsheets or presentations embedded within them. WinDat Opener extracts the embedded attachments hidden inside the winmail.dat file, allowing you to preview then right in WinDat Opener, or open them with another application, e.g., Pages. WinDat Opener is simple to use - it integrates transparently with Mail on the iPhone, iPod Touch or iPad at operating system level, and has it's own integrated file manager that gives you access to locations on your device, and cloud storage provides such as DropBox and iCloud. Once WinMail Opener is installed, all you have to do is to touch any winmail.dat file, and the app you're using will offer to send it to WinMail Opener for the embedded attachments to be extracted. You can then view the extracted files using Winmail Opener’s built-in file viewer, which supports a wide variety of document formats including doc, docx, xls, xlsx, ppt, pptx and PDF, as well as most image formats such as JPEG and TIFF. If you have an application installed on your device that can edit or view an extracted file, e.g., Pages for doc files, you can open any extracted file in that application. WinDat Opener also offers the option of emailing the extracted files, right from within WinDat Opener. WinDat Opener is a universal application. It will work on the iPhone, iPod Touch or iPad, in any orientation. WinDat Opener works on any version of iOS from 11 onward.

About

DB One

Features
Read full description

DBDeploy - Professional Database Deployment Tool Key Features: - One-click deployment for major databases - Real-time monitoring & status tracking - Smart diagnostics & automated troubleshooting - Complete operation logs for audit trails - Multi-environment support (Dev/Test/Prod) Why Choose DBDeploy? - 300% faster deployments - Zero manual configuration - Enterprise-grade security - Cross-platform database support Ideal For: • Dev teams: Rapid environment setup • Ops teams: Simplified workflows • QA teams: Instant test environments • Enterprises: Secure & standardized deployments Tech Highlights: - Live progress tracking - Auto-error detection - Full audit logging - Military-grade encryption Benefits: - 80% faster deployments - 60% lower operational costs - Reduced human errors - Streamlined processes Requirements: - iOS 16.6+ (iPhone/iPad) Contact: - aaronqlm@icloud.com - https://www.dbakit.net/DBDeploy Terms of Use: - https://www.dbakit.net/DBDeploy/private/DBDeploy_Terms_of_Service_EN/

Screenshots

WinDat Opener1 screens
DB One4 screens

Verdict

The call

The clearest difference is price: DB One at Free against WinDat Opener's $5.99. DB One also leads on update cadence (every 3 days vs every 5 months). WinDat Opener's advantage is in-app purchases (none vs 4) and iOS requirement (12.0 vs 16.6). On 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

CostPrice · In-app purchases · Ads · Monetization

DB One is free to download; WinDat Opener costs $5.99 up front. DB One sells 4 in-app purchases, starting at $29.99 per month. WinDat Opener asks for nothing beyond the download.

UpkeepUpdate frequency

WinDat Opener ships an update every 5 months, DB One every 3 days. The most recent releases landed on June 24, 2026 and September 8, 2026 respectively.

Scorecard4 real differences · 6 level
WinDat Opener versus DB One: the parameters behind the verdict, then further details
ParameterWinDat OpenerDB One
Price$5.99Free — better
Rating2.3 (3 ratings) — better
Positive reviews62.5% of reviews
Number of ratings3 — better
Update frequencyEvery 5 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.6
Further details — not scored
Size2 MB10 MB
Age rating4+4+
DeveloperAlexander McGuffog黎明 卿

In-app purchases

None

WinDat Opener

No in-app purchases

4 purchases

DB One

Subscriptions2
  • Pay monthly$29.991 Month
  • Pay yearly$299.991 Year
One-time2
  • Pay Per Use$14.99
  • Perpetual License$699.99

Questions

Is WinDat Opener free?
WinDat Opener costs $5.99, with no in-app purchases.
Is DB One free?
DB One is free to download, with in-app purchases available.
Do WinDat Opener or DB One have ads?
Neither WinDat Opener nor DB One shows ads.
Which is updated more often, WinDat Opener or DB One?
WinDat Opener ships an update every 5 months, and DB One every 3 days. Most recently, WinDat Opener was updated on June 24, 2026 and DB One on September 8, 2026.

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