Comparison

MSG Viewer vs MBOX Viewer · Mail File Reader

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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/

About

MBOX Viewer · Mail File Reader

This application allows you to open and read large MBOX and EML email files directly on your device. It offers robust search capabilities, an attachment gallery, and export options to various formats, with advanced features available via a PRO upgrade.

Highlights
  • Open MBOX and EML files offline
  • Handles large file sizes (250GB+)
  • Attachment gallery
  • Detailed and basic search
  • Export to PDF, EML, HTML, Salt-Text
  • Forensic analysis tools
  • Bates-numbered PDF generation
Features
Read full description

The Ultimate MBOX & EML Forensic Reader Dealing with massive 50GB+ Google Takeout files? Need professional evidence reports? Mbox Viewer Mail File Reader is the most comprehensive, on-device email archive tool. Why Professionals Choose MboxViewer: Privacy First: 100% On-Device. No servers, no clouds. Your data never leaves your iPhone/iPad. Massive Performance: Handles files up to 250GB+ with lightning speed. Attachment Gallery Detailed and Basic Search All-in-One Export: Convert archives to PDF, EML, HTML, or Salt-Text in one tap. Forensic Ready: Extract raw headers, verify SHA-256 digital signatures, and analyze HEX dumps for investigations. Compliance: Generate Bates-numbered PDFs for ready evidence. From IT experts and students to casual users looking for old memories: Mbox Viewer is the gold standard for offline email viewing. Easily open and read large MBOX email files directly on your device. Navigate through your email archives, search for specific messages, and view attachments smoothly without crashing. A fast, secure, and fully offline MBOX reader. (Note: Unlimited viewing file attachments, advanced search filters and more features require a PRO upgrade.) MBOX File Viewer can be used in either dark, light or glass mode and has no security concerns as it's offline. Terms of Use & Privacy Policy: https://jargonix.github.io/mbox-viewer-reader/

Screenshots

MSG Viewer4 screens
MBOX Viewer · Mail File Reader4 screens

Verdict

The call

The clearest difference is review sentiment: MSG Viewer at 94% against MBOX Viewer · Mail File Reader's 0%. MSG Viewer also leads on ads (none vs shown) and monetization model (free vs free with in-app purchases). MBOX Viewer · Mail File Reader's advantage is rating (5.0 vs 4.7) and iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases 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

Both are free to download. MSG Viewer sells 3 in-app purchases, starting at $3.99 per 7 days and MBOX Viewer · Mail File Reader sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

MBOX Viewer · Mail File Reader holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: MSG Viewer has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 94% of MSG Viewer's written reviews are positive against 0% of MBOX Viewer · Mail File Reader's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

MSG Viewer ships an update fortnightly, MBOX Viewer · Mail File Reader every 8 days. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.

Scorecard6 real differences · 4 level
MSG Viewer versus MBOX Viewer · Mail File Reader: the parameters behind the verdict, then further details
ParameterMSG ViewerMBOX Viewer · Mail File Reader
PriceFreeFree
Rating4.7 (12 ratings)5.0 (1 ratings) — better
Positive reviews93.8% of reviews — better0.0% of reviews
Number of ratings12 — better1
Update frequencyFortnightlyEvery 8 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, MaciPhone, iPad, iPod, Mac — better
Requires iOS17.015.0 — better
Further details — not scored
Size21 MB26 MB
Age rating4+4+
Developer延平 陈OMER FARUK KIZILTUG

Customer experience

MSG Viewer

All ratings12 ratings
Positive91.7%
Neutral0.0%
Negative8.3%
Written reviews16 reviews
Positive93.8%
Neutral0.0%
Negative6.3%

MBOX Viewer · Mail File Reader

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

3 purchases

MSG Viewer

Subscriptions2
  • Pro Weekly$3.997 Days
  • Pro Yearly3 Days trial$9.991 Year
One-time1
  • Pro Lifetime Access$19.99
3 purchases

MBOX Viewer · Mail File Reader

Subscriptions2
  • Premium Weekly Plan3 Days trial$6.997 Days
  • Premium Annual Subscription$49.991 Year
One-time1
  • Lifetime Premium Access$119.99

Questions

Is MSG Viewer free?
MSG Viewer is free to download, with in-app purchases available.
Is MBOX Viewer · Mail File Reader free?
MBOX Viewer · Mail File Reader is free to download, with in-app purchases available.
Which has better reviews, MSG Viewer or MBOX Viewer · Mail File Reader?
MBOX Viewer · Mail File Reader is rated higher. MSG Viewer averages 4.7 out of 5 from 12 ratings, while MBOX Viewer · Mail File Reader averages 5.0 from 1 ratings.
Do MSG Viewer or MBOX Viewer · Mail File Reader have ads?
MBOX Viewer · Mail File Reader shows ads; MSG Viewer does not.
Which is updated more often, MSG Viewer or MBOX Viewer · Mail File Reader?
MSG Viewer ships an update fortnightly, and MBOX Viewer · Mail File Reader every 8 days. Most recently, MSG Viewer was updated on October 18, 2026 and MBOX Viewer · Mail File Reader on October 14, 2026.

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