iVizEx vs Winmail Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iVizEx
View and edit CGM and TIFF files directly on your device. Supports web browsing, local file access, and cloud integration for seamless viewing and markup of large image files.
- CGM and TIFF file viewing
- Web browser mode
- Local and remote file access
- Built-in drawing tools
- Cloud integration (iCloud)
- Optimized for large files
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iVizEx is CGM and TIFF file viewer which can function either as a web browser or local or remote file viewer. In web browser mode, CGM and TIFF fies can be embedded in HTML or viewed in full screen. Supports full WebCGM 1.0 specification that enables hotspots, screen tips, and hyper-linking. In View local or remote mode, files can be downloaded from either FTP site or Dropbox for viewing. Once downloaded, the files maybe be marked-up with the built in drawing tools to crop, add text, arrows and shapes. Files will be retained for specified period of time. CGM and TIFF files on ICloud can also be viewed via the Files app. iVizEx is optimized for handling very large CGM and TIFF files and ideal for viewing well-logs. Also supports viewing of CGM files received as email attachments. Supports multi-page TIFF.
Winmail Reader
Easily open and manage "winmail.dat" attachment files on your iOS device. This app decodes the TNEF format, allowing you to view, save, share, or resend any contained attachments and the original email message.
- Decodes winmail.dat files
- Lists all attachments and email message
- Inbuilt quick-look preview for attachments
- Save, copy, print, and share attachments
- Resend decoded email with attachments
- Create/add Outlook appointments to iOS Calendar
- Add contact address cards to iOS Contacts
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Winmail Reader is ultimate tool for reading "winmail.dat" attachment files on iPhones, iPads and iPod touch. Winmail Reader decodes "winmail.dat" file, and allows any attachments contained in them to be opened, read, saved or e-mailed. * * * Winmail Reader for Mac is also available on the Mac App Store. * * * Winmail.dat files are in fact TNEF format (Transport Neutral Encapsulation Format). Microsoft Outlook e-mail program for Windows send e-mails as TNEF. Most other e-mail programs, including Mail, do not understand TNEF. If your e-mail program doesn't understand TNEF, you may only see an attachment named "winmail.dat" that you cannot open. The easy-to-use solution to circumvent this problem is provided by Winmail Reader. FEATURES: ◆ Decodes "winmail.dat" files and list all attachments contained in it including email message. ◆ Inbuilt quick-look preview to view attachments. Tap on attachment button to popup quick-look preview. ◆ Allows attachments files to Copy to… another application, Save to Files, Copy, Print, share file to nearby iOS devices via AirDrop and more... Long press on attachment button to show share action options. ◆ Resend entire decoded email as it is with message and extracted attachments. ◆ Creates, edit and adds Microsoft Outlook Appointment and Meeting to iOS Calendar. It also reads embedded note. ◆ Creates and adds contact address card into iOS Contacts. ◆ Reads nested message in full RTF format as separate file.
Screenshots
Verdict
The clearest difference is rating: iVizEx at 5.0 against Winmail Reader's 4.5. iVizEx also leads on iOS requirement (8.0 vs 15.6). Winmail Reader's advantage is ratings volume (256 vs 1) and chart position (#97 vs unranked). On update cadence, ads, in-app purchases and monetization model 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
iVizEx costs $3.99 and Winmail Reader $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
iVizEx holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Winmail Reader has 256 ratings behind it against 1, so its average is the more settled of the two.
iVizEx ships an update every 6 months, Winmail Reader every 4 months. The most recent releases landed on July 6, 2026 and September 23, 2026 respectively.
| Parameter | iVizEx | Winmail Reader |
|---|---|---|
| Price | $3.99 | $1.99 — better |
| Rating | 5.0 (1 ratings) — better | 4.5 (256 ratings) |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 1 | 256 — better |
| Update frequency | Every 6 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | — | #97 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 18 MB | 2 MB |
| Age rating | 17+ | 4+ |
| Developer | Larson Software Tehnology | RootRise Technologies Pvt. Ltd. |
Customer experience
iVizEx
Winmail Reader
In-app purchases
iVizEx
No in-app purchases
Winmail Reader
No in-app purchases






