P7M Converter vs EML Viewer · MSG Viewer & MBOX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
P7M Converter
Easily open and convert digitally signed files like P7M, XML, and ASiC containers. Extract attachments, turn XML invoices into PDFs, and work with multiple documents offline. A Pro version offers advanced features and a handwritten signature option.
- Open .p7m and .p7s files
- Open .zip archives with signed documents
- Open ASiC containers
- Extract PDF, XML, and other attachments
- Convert XML invoices to PDF
- Work on multiple files
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P7M Converter helps you open digitally signed files and get back the original document. What you can do: • Open .p7m and .p7s files • Open .zip archives with signed documents inside • Open ASiC containers (.asice, .asics) • Extract PDF, XML and other attachments • Turn FatturaPA XML invoices into a readable PDF • Work on multiple files at once Your files stay on your iPhone or iPad. No account required. Documents are not uploaded to external servers. The app is free. With P7M Converter Pro (yearly subscription) you can add a handwritten signature to PDFs, view your conversion history and use extra features. Available in Italian, English, French, Spanish and German. By Alvicore srl.
EML Viewer · MSG Viewer & MBOX
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Opens .eml and .msg email files and winmail.dat attachments on iPhone and iPad, one at a time or a whole batch at once. The first file is free. Pro opens every other file and exports PDFs. The files are read on your device. They are never uploaded, and you do not need an email account. A WHOLE BATCH AT ONCE • Select dozens of .msg or .eml files in one go, or open a .zip or .mbox archive • See every email in the batch as a list with subject, sender and date, search it, and jump to any one • Or page through them with the arrows • Show remote images for the whole batch with one tap, or keep them blocked • A .zip or .mbox counts as one file. In a selection of separate files, Pro opens every file after the first WHAT IT OPENS • .eml and .msg files from the Files app, Mail, AirDrop, iCloud Drive and other storage apps • winmail.dat (TNEF) attachments, including the files and meeting details inside them • .oft templates and .emlx files • .mbox archives (the first 2,000 emails) and zip files that contain email • A whole folder: the app lists every email file in it, subfolders included • Recent files stay in a list on the home screen • In the Files app, Quick Look shows the subject, sender, date and attachment list of an .eml, .msg or winmail.dat file before you open it READING • The message in its original formatting or as plain text • Search inside the message and jump between matches • On iPad, three columns: your files, the message details with attachments, and the message body • Full headers, and for .eml files the complete source • Authentication-Results headers are shown as the receiving server wrote them. The app does not check SPF, DKIM or DMARC itself • Remote content is off by default. Images and other remote resources are blocked before they load, so opening a message does not tell the sender you read it. You can turn it on for one message from the banner, or for all messages in Settings • Security Check lists what it finds in the message: the SPF, DKIM and DMARC results in the headers, a Reply-To that differs from the sender, links whose text and destination differ, remote images, and attachments that can run code. It reads the file only and contacts no server ATTACHMENTS • Every attachment with its name, type and size • Preview PDFs, images, Office documents and other types Quick Look recognizes • An email attached to an email opens in the viewer PDF EXPORT (PRO) • Letter or A4 • Optional: sender, recipients and date; the list of attachments; page numbers; the full headers after the message FREE AND PRO • The first email file you open is free, with everything above except PDF export • Pro opens every file after that and exports PDFs • A file that fails to open does not use up the free file, and neither does the built-in sample • If you installed the app before version 1.3, every file stays free • Pro is a weekly or yearly auto-renewing subscription, or a one-time Lifetime purchase PRIVACY • Email files are read on your device and never uploaded • No account, no ads, no cross-app tracking • The app sends anonymous usage statistics, masked screen recordings and crash reports, with nothing from your files in them. You can turn this off in Settings • Reading works without a network connection LANGUAGES The app is available in English, German, French, Spanish, Italian, Portuguese (Brazil), Japanese, Korean, Russian, Vietnamese, Simplified Chinese and Traditional Chinese. If a file will not open, tap Report This Problem on the error screen. It sends app and device details, and nothing from the file. Privacy Policy: https://eml-msg-viewer.vercel.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is device support: P7M Converter at 4 against EML Viewer · MSG Viewer & MBOX's 2. P7M Converter also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases 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. P7M Converter sells 1 in-app purchase, starting at $3.99 per year and EML Viewer · MSG Viewer & MBOX sells 3 in-app purchases, starting at $1.00 per 7 days. Whichever you choose, the download price is not the number that matters.
P7M Converter ships an update weekly, EML Viewer · MSG Viewer & MBOX every 2 weeks. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.
| Parameter | P7M Converter | EML Viewer · MSG Viewer & MBOX |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 34 MB | 18 MB |
| Age rating | 9+ | 4+ |
| Developer | ALVICORE SRL | Sheenu Jain |
In-app purchases
P7M Converter
- P7M Pro$3.991 Year
EML Viewer · MSG Viewer & MBOX
- Pro (Weekly)$1.007 Days
- Pro (Yearly)$7.991 Year
- Pro (Lifetime)$9.99
Questions
Is P7M Converter free?
Is EML Viewer · MSG Viewer & MBOX free?
Do P7M Converter or EML Viewer · MSG Viewer & MBOX have ads?
Which is updated more often, P7M Converter or EML Viewer · MSG Viewer & MBOX?
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