Comparison

MBOX Viewer vs MBOX Reader · Opener · Convert

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

Head to head
About

MBOX Viewer

Easily open, convert, and export MBOX email archives to various formats like PDF, EML, HTML, or TXT. This app offers fast performance for large files, batch conversion, and robust search capabilities. It prioritizes user privacy with 100% offline functionality and no account requirement.

Highlights
  • MBOX to PDF, EML, HTML, TXT conversion
  • Batch email export
  • Fast performance for large archives
  • Search and filter emails
  • View and extract attachments
  • Cross-device access with one subscription
  • 100% offline functionality
Features
Read full description

The easiest way to convert, open, and export MBOX archives on iPhone, iPad, and Mac. ONE SUBSCRIPTION. ALL YOUR DEVICES. Access all premium features across your Apple devices with a single subscription. No ads, no hidden fees—just full support for iPhone, iPad, and Mac. CONVERT & ACCESS YOUR EMAIL ARCHIVES Easily convert MBOX files to PDF, EML, HTML, or TXT for sharing, backup, or documentation. Open and browse your email archives with a fast, reliable viewer designed for large files. Whether it’s a Gmail Takeout, Thunderbird backup, or legacy archive, your emails are ready in seconds. CORE FEATURES • MBOX Conversion: Export emails to PDF, EML, HTML, or TXT • Batch Export: Convert multiple emails quickly and efficiently • Fast Performance: Handles large, multi-gigabyte archives smoothly • Search & Filter: Find emails by sender, subject, date, or keyword • Attachment Support: View and extract attachments easily • Cross-Device Access: One subscription for iPhone, iPad, and Mac PRIVACY FIRST Your data stays on your device—always. • 100% Offline: No uploads, no cloud processing • No Account Required: Start instantly • Zero Tracking: Your data is never collected PERFECT FOR • Gmail Takeout and email backups • Converting emails for sharing or records • Legal, compliance, or offline review • Accessing old email archives Compatibility: Supports standard MBOX (mboxrd) formats Need help or have feedback? Contact us at admin@yenpi.com Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

MBOX Reader · Opener · Convert

Easily open, read, and search large MBOX email archives on your Apple devices. Convert emails to various formats like PDF, CSV, or JSON, and extract contacts. All processing happens offline for maximum privacy.

Highlights
  • Open MBOX and MBX archives
  • Read emails with attachments
  • Full text search
  • Export attachments to ZIP
  • Convert to PDF, CSV, JSON
  • Extract contacts as vCards
  • Offline functionality
Features
Read full description

MBOX Reader is the fastest way to open, read, search and convert MBOX email archives on your iPhone, iPad and Mac. Stuck with a huge .mbox or .mbx file you can't open? MBOX Reader loads it in seconds, even archives with tens of thousands of messages, and shows every message exactly as it was sent. KEY FEATURES • Open .mbox and .mbx archives from Files, Mail, Safari, AirDrop and any other app (MBOX Opener) • Read every message exactly as sent: sender, recipients, date, formatted body and attachments • Lightning fast full text search across the whole archive • Browse, preview and save attachments, or export them all as a ZIP (Compressed MBOX Viewer) • Works fully offline, so nothing is ever uploaded CONVERT AND EXPORT • Export single messages to PDF (MBOX to PDF) • Convert a whole archive to CSV for spreadsheets, or to JSON (MBOX Converter) • Extract every sender and recipient as a vCard contact (Konverter) • Split a large archive into smaller MBOX files • Combine several MBOX files into one archive PRIVATE BY DESIGN Your email never leaves your device. No account, no sign in, no tracking. Everything happens on device, even offline. MBOX Reader turns an archive you couldn't open into something you can read, search, convert and share in seconds.

Screenshots

MBOX Viewer4 screens
MBOX Reader · Opener · Convert4 screens

Verdict

The call

The clearest difference is monetization model: MBOX Reader · Opener · Convert at free with in-app purchases against MBOX Viewer's subscription. MBOX Viewer's advantage is ratings volume (10 vs 2). On price, rating, review sentiment and update cadence 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. MBOX Viewer sells 3 in-app purchases, starting at $3.99 per 7 days and MBOX Reader · Opener · Convert sells 7 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for MBOX Viewer against 5.0 for MBOX Reader · Opener · Convert. That said, the two scores are not equally well evidenced: MBOX Viewer has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

MBOX Viewer ships an update every 5 days, MBOX Reader · Opener · Convert every 3 days. The most recent releases landed on September 18, 2026 and September 22, 2026 respectively.

Scorecard2 real differences · 8 level
MBOX Viewer versus MBOX Reader · Opener · Convert: the parameters behind the verdict, then further details
ParameterMBOX ViewerMBOX Reader · Opener · Convert
PriceFreeFree
Rating5.0 (10 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings10 — better2
Update frequencyEvery 5 daysEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPad, MaciPhone, iPad, Mac
Requires iOS17.016.0 — better
Further details — not scored
Size22 MB13 MB
Age rating4+4+
Developer延平 陈Rush Tools LLC

Customer experience

MBOX Viewer

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews11 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

MBOX Reader · Opener · Convert

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

MBOX Viewer

Subscriptions2
  • Premium Weekly$3.997 Days
  • Premium Yearly$9.991 Year
One-time1
  • MBOX Viewer & Converter Premium$19.99
7 purchases

MBOX Reader · Opener · Convert

Subscriptions7
  • Pro Weekly3 Days trial$4.997 Days
  • Pro Weekly$9.997 Days
  • Pro Annual$19.991 Year
Show 4 more
  • Pro Annual2 variants$29.991 Year
  • Pro Annual$39.991 Year
  • Pro Annual$49.991 Year
  • Pro Annual$79.991 Year

Questions

Is MBOX Viewer free?
MBOX Viewer is free to download, with in-app purchases available.
Is MBOX Reader · Opener · Convert free?
MBOX Reader · Opener · Convert is free to download, with in-app purchases available.
Which has better reviews, MBOX Viewer or MBOX Reader · Opener · Convert?
MBOX Viewer and MBOX Reader · Opener · Convert are both rated 5.0 out of 5 on the App Store, from 10 and 2 ratings respectively.
Do MBOX Viewer or MBOX Reader · Opener · Convert have ads?
Neither MBOX Viewer nor MBOX Reader · Opener · Convert shows ads.
Which is updated more often, MBOX Viewer or MBOX Reader · Opener · Convert?
MBOX Viewer ships an update every 5 days, and MBOX Reader · Opener · Convert every 3 days. Most recently, MBOX Viewer was updated on September 18, 2026 and MBOX Reader · Opener · Convert on September 22, 2026.

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