MSG Viewer vs ProTrac CMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MSG Viewer
Easily open and manage various email file formats like .msg, .oft, and .eml without needing Microsoft Outlook. This app allows you to view full email details, search content, handle attachments, and export files to multiple formats. It prioritizes user privacy with local processing and no account requirements.
- Open .msg, .oft, .eml, .mbox, .mht files
- View full email details and headers
- Search within email content
- Manage and preview attachments
- Export emails to PDF, HTML, EML, and more
- Offline and privacy-focused processing
- Dark Mode support
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MSG Viewer lets you open Outlook email files — including .msg, .oft, winmail.dat (TNEF), .eml, .mbox, and .mht — without Microsoft Outlook. One subscription. All your Apple devices — iPhone, iPad, and Mac.No ads. Supported Formats • Outlook Message (.msg) • Outlook Template (.oft) • EML (.eml) • Winmail.dat (TNEF) • MBOX Mailbox (.mbox) • MHTML / MHT (.mht, .mhtml) Key Features • Open email files instantly with a simple tap • Reply to and forward emails • View full email details, including: – Message headers – Plain text body – HTML body – RTF content • Search within email content • View and manage attachments • Preview attachments with Quick Look • Save attachments to Files or a selected folder • Dark Mode support • Fast, lightweight, and fully offline Export Options • Export MSG files to: – EML – PDF – HTML – RTF – TXT – VCF • Export EML files to: – PDF – HTML – RTF – TXT • Export MHT files to: – PDF – HTML (Export formats depend on the file content.) Privacy First • No account required • No data collection • No tracking • Files are processed locally on your device Support If you have any questions or need help, please contact us: admin@yenpi.com Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
ProTrac CMS
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Protrac CMS – Construction Project Management in the Field Manage every jobsite with more clarity, control, and confidence. Protrac CMS is the all-in-one construction field management app built for contractors, supervisors, and project managers. Track progress, complete daily reports, manage safety and quality, and keep teams aligned across every project—all from one place. Whether you’re on site or in the office, Protrac CMS helps you reduce paperwork, stay organized, and keep work moving forward in real time. Everything your field team needs Daily reports for weather, labor, equipment, subcontractors, and site activity Progress tracking with photos, milestones, and detailed field updates Defect and punch list management from issue to closeout Task assignment and to-do tracking for teams and individuals Built for safer, higher-quality jobsites Safety inspections, toolbox talks, hazard observations, and incident records Quality inspections with pass/fail checklists, photo evidence, and corrective actions Audit-ready documentation to support compliance and accountability Stay connected across every project Multi-project dashboard with visibility into tasks, status, and activity Resource tracking for workforce, certifications, attendance, materials, and equipment Shared schedules, milestones, calendars, and field document access Reporting tools and client portal updates for better communication Designed for control Role-based permissions Admin controls and announcements Language settings and biometric login Secure access to critical project information Why Protrac CMS Protrac CMS helps construction teams simplify field operations, improve visibility, strengthen safety and quality processes, and stay aligned from the office to the field. From a single jobsite to a full portfolio of projects, Protrac CMS gives you the tools to manage work with confidence. A slightly stronger first line for App Store conversion would be: Run your jobsite from anywhere. DEMO ACCOUNTS USERNAME PASSWORD ROLE admin@demo.com demo123 pm@demo.com demo123 Project Manager user@demo.com demo123 Site Engineer sub@demo.com demo123 Subcontractor sm@demo.com demo123 Safety Manager cpm@demo.com demo123 Client PM dc@demo.com demo123 Document Controller
Screenshots
Verdict
The clearest difference is in-app purchases: ProTrac CMS at none against MSG Viewer's 3. ProTrac CMS also leads on iOS requirement (15.1 vs 17.0). On price, 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. MSG Viewer sells 3 in-app purchases, starting at $3.99 per 7 days. ProTrac CMS asks for nothing beyond the download.
| Parameter | MSG Viewer | ProTrac CMS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (12 ratings) — better | — |
| Positive reviews | 93.8% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Fortnightly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 21 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | 延平 陈 | Luke Peereboom |
In-app purchases
MSG Viewer
- Pro Weekly$3.997 Days
- Pro Yearly3 Days trial$9.991 Year
- Pro Lifetime Access$19.99
ProTrac CMS
No in-app purchases





