Comparison

EML Viewer vs eM Client

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

Head to head
About

EML Viewer

Easily view saved emails in EML format directly on your iOS device. Open attachments, share them with other applications, or print them. You can also compose a new email using the content of an EML file.

Highlights
  • View EML files
  • Access attachments
  • Share attachments
  • Print attachments
  • Compose new emails from EML
Features
Read full description

View .EML files on your iOS device, including attachments within them. These are usually emails saved in the EML format. Tap on an EML file in another app, "Open In..." and select EML Viewer to view your saved email. You may tap "open a sample EML" to see an example email open up. Attachments may be shared with other apps or printed. Tap the compose icon to open your EML as a new Mail message This app is for .EML files. If you also need to view Outlook .MSG files, check out our related apps MSG View and Message Viewer Pro on the App Store.

About

eM Client

This app unifies email, calendar, tasks, contacts, and notes into a single, AI-enhanced platform. It offers advanced features typically found on desktop, including instant message translation and robust encryption, for seamless management of multiple accounts on your iPhone and iPad.

Highlights
  • AI-enhanced email drafting and replies
  • Unified inbox for email, calendar, tasks, contacts, and notes
  • Instant message translation
  • PGP and S/MIME encryption
  • Quick import from desktop app
  • Mail-tracking pixel detection
  • Snooze and Undo Send features
Read full description

These features include: • Super easy setup including quick import from the desktop app via QR code • AI Support for replies and email drafting • Emails, calendars, tasks, contacts and notes all in one place • Favorite, Global, and search folders to easily manage multiple accounts • Instant message translation • PGP and S/MIME encryption • Tags and Gmail labels support to sort and color-code your messages • Signatures you can choose from and assign to your accounts • QuickText: snippets of text you can quickly insert into your emails • Templates • Messages grouped into conversations • Advanced privacy options • Mail-Tracking pixel detection • Snooze • Watch for reply • Undo Send • Password protection • Online meetings integration • Cloud storage providers integration • Mobile device management (MDM) support and more

Screenshots

EML Viewer2 screens
eM Client4 screens

Verdict

The call

The clearest difference is price: eM Client at Free against EML Viewer's $1.99. eM Client also leads on rating (3.7 vs 3.0) and update cadence (weekly vs every 2 months). EML Viewer's advantage is chart position (#145 vs unranked). On review sentiment, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

eM Client is free to download; EML Viewer costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

eM Client holds the better App Store score, 3.7 against 3.0. Both are backed by a comparable volume of ratings — 21 and 42 respectively. Written reviews split almost evenly too, at 49% and 49% positive.

UpkeepUpdate frequency

EML Viewer ships an update every 2 months, eM Client weekly. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.

Scorecard5 real differences · 6 level
EML Viewer versus eM Client: the parameters behind the verdict, then further details
ParameterEML ViewereM Client
Price$1.99Free — better
Rating3.0 (21 ratings)3.7 (42 ratings) — better
Positive reviews49.0% of reviews — better48.6% of reviews
Number of ratings2142 — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank#145 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size10 MB124 MB
Age rating4+4+
DeveloperMatrix Logic CorporationeM Client

Customer experience

EML Viewer

All ratings21 ratings
Positive52.4%
Neutral0.0%
Negative47.6%
Written reviews96 reviews
Positive49.0%
Neutral5.2%
Negative45.8%

eM Client

All ratings42 ratings
Positive61.9%
Neutral11.9%
Negative26.2%
Written reviews348 reviews
Positive48.6%
Neutral17.8%
Negative33.6%

User reviews

EML Viewer

From 21 App Store ratings

What we love

  • ✅ Opens .eml files
  • 👍 Works as advertised
  • 🚀 Quick updates and support
  • ✨ Displays attachments
  • 💡 Handles PEC emails

Room to improve

  • 🐛 App crashes frequently
  • 🐛 Unusable due to crashes
  • 🐛 Does not read digitally signed emails
  • 🐛 Does not open files over 2MB
  • 🐛 Low memory errors

eM Client

From 42 App Store ratings

What we love

  • 🚀 Reliable and customizable
  • 🔒 Great privacy and security features
  • 👍 Clean and intuitive interface
  • 🚀 Smooth and fast performance
  • 👍 Seamless sync between desktop and mobile

Room to improve

  • 🐛 Slow email sync and loading issues
  • 🐛 Unreliable push notifications and badge counts
  • 🐛 Inconsistent behavior compared to other email apps
  • 🐛 Bugs and glitches, especially in the initial release
  • 🔋 High battery consumption

Bugs and requests

EML Viewer

Reported bugs

34 issues
  • App crashes frequently
  • App is unusable due to crashes
  • Does not read digitally signed emails
  • Does not open files over 2MB
  • Low memory errors
Show 29 more
  • Poor formatting and link browsing
  • Does not download attached images
  • Only displays email header
  • Does not support dark mode override
  • Clumsy to open files
  • Does not open attachments
  • Does not support Chinese characters
  • Does not display formatted text
  • Cannot open EML files from Calendar app
  • Does not support Reply and Forward
  • Does not open attachments from PEC
  • Blank screen on opening
  • Crashes on some EML files
  • Does not show up in share menu
  • Instructions not clear
  • Money wasted
  • Does not open EML files
  • Garbled Japanese characters
  • Does not open PDF attachments
  • Crashes browser
  • Does not open EML files on iPad
  • Does not support ISO2022JP
  • Does not display To/Cc Japanese names correctly
  • Price is slightly high
  • Does not support Outlook MSG to EML conversion
  • Does not support EML files from Lotus Notes
  • Does not allow printing or PDF export
  • Forwarding not compatible with default mail apps
  • Does not display external images by default

Requested features

12 requests
  • Dark mode option
  • Option to create folders
  • Ability to print messages
  • Forwarding function
  • Prevent external images from loading by default
Show 7 more
  • Support for ISO2022JP character encoding
  • Support for Lotus Notes EML files
  • Improved handling of To/Cc Japanese names
  • Improved link browsing controls
  • Support for digitally signed emails
  • Support for emails over 2MB
  • Improved memory management

eM Client

Reported bugs

4 issues
  • Emails not sending immediately
  • Drafts not visible or editable
  • Inconsistent behavior when switching between folders
  • Trouble signing in to multiple Google accounts

Requested features

6 requests
  • Calendar integration
  • Improved background refresh and sync
  • Custom notification sounds
  • Ability to sort emails by sender
  • More customization options
Show 1 more
  • Actions from notifications (archive, mark as read, etc.)

In-app purchases

None

EML Viewer

No in-app purchases

None

eM Client

No in-app purchases

Questions

Is EML Viewer free?
EML Viewer costs $1.99, with no in-app purchases.
Is eM Client free?
eM Client is free to download, with no in-app purchases.
Which has better reviews, EML Viewer or eM Client?
eM Client is rated higher. EML Viewer averages 3.0 out of 5 from 21 ratings, while eM Client averages 3.7 from 42 ratings.
Do EML Viewer or eM Client have ads?
Neither EML Viewer nor eM Client shows ads.
Which is updated more often, EML Viewer or eM Client?
EML Viewer ships an update every 2 months, and eM Client weekly. Most recently, EML Viewer was updated on September 30, 2026 and eM Client on October 3, 2026.

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