Comparison

eM Client vs Mailbux

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

Head to head
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

About

Mailbux

A fast, secure, and beautifully designed email client for managing multiple accounts. It offers free business email hosting with professional features like custom domains, contacts, calendar, and cloud storage.

Highlights
  • Free business email hosting
  • Unified inbox for multiple accounts
  • Real-time notifications
  • Powerful search functionality
  • Customizable folders and labels
  • Seamless cross-device sync
Features
Read full description

Mailbux - Your Modern Email Client Tired of cluttered, slow email apps? Mailbux is the fast, secure, and beautifully designed email client that makes managing your inbox a breeze. --- FREE BUSINESS EMAIL HOSTING Get a complete business suite absolutely FREE at mailbux.com: - Professional Email (@yourdomain.com) - Contacts Management - Calendar and Scheduling - Cloud Drive Storage No credit card required. No hidden fees. Just powerful tools for your business. Sign up free: https://mailbux.com --- WHY MAILBUX? LIGHTNING FAST Built with modern technology for instant loading and smooth scrolling. No more waiting for your emails to load. PRIVACY FIRST Your emails stay yours. We don't read, scan, or sell your data. Connect directly to your mail server with end-to-end encryption. BEAUTIFUL DESIGN A clean, intuitive interface that makes email enjoyable again. Dark mode included for comfortable reading day and night. REAL-TIME NOTIFICATIONS Never miss an important email. Get instant push notifications the moment new mail arrives. --- KEY FEATURES UNIFIED INBOX Manage multiple email accounts from one place. Switch between accounts instantly with a single tap. SMART ATTACHMENTS Preview attachments inline. Download with one tap. Share files directly from your emails. POWERFUL SEARCH Find any email in seconds. Search by sender, subject, content, or date range. ORGANIZED FOLDERS Keep your inbox tidy with custom folders and labels. Drag and drop to organize. COMPOSE WITH EASE Rich text editor with formatting options. Add signatures, insert images, and attach files effortlessly. QUICK ACTIONS Swipe to archive, delete, or mark as read. Handle emails faster than ever. SEAMLESS SYNC Your emails sync across all your devices in real-time. Start on iPhone, continue on iPad. --- WORKS WITH ANY EMAIL - Free Mailbux hosted business email (mailbux.com) - IMAP/SMTP server - JMAP-compatible servers --- COMPLETE BUSINESS SUITE When you sign up for free Mailbux hosting, you get: Email - Professional email with your own domain Contacts - Sync contacts across all devices Calendar - Schedule meetings and events Drive - Secure cloud storage for your files All included FREE. Get started at mailbux.com --- Questions or feedback? Contact us at support@mailbux.com Website: https://mailbux.com

Screenshots

eM Client4 screens
Mailbux4 screens

Verdict

The call

The clearest difference is rating: Mailbux at 5.0 against eM Client's 3.7. eM Client's advantage is ratings volume (42 vs 1). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Mailbux holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: eM Client has 42 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

eM Client ships an update weekly, Mailbux every 5 days. The most recent releases landed on September 22, 2026 and September 16, 2026 respectively.

Scorecard2 real differences · 8 level
eM Client versus Mailbux: the parameters behind the verdict, then further details
ParametereM ClientMailbux
PriceFreeFree
Rating3.7 (42 ratings)5.0 (1 ratings) — better
Positive reviews48.6% of reviews—
Number of ratings42 — better1
Update frequencyWeeklyEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size124 MB24 MB
Age rating4+4+
DevelopereM ClientCloudWish LLC

Customer experience

eM Client

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

Mailbux

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

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.)

Mailbux

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

eM Client

No in-app purchases

None

Mailbux

No in-app purchases

Questions

Is eM Client free?
eM Client is free to download, with no in-app purchases.
Is Mailbux free?
Mailbux is free to download, with no in-app purchases.
Which has better reviews, eM Client or Mailbux?
Mailbux is rated higher. eM Client averages 3.7 out of 5 from 42 ratings, while Mailbux averages 5.0 from 1 ratings.
Do eM Client or Mailbux have ads?
Neither eM Client nor Mailbux shows ads.
Which is updated more often, eM Client or Mailbux?
eM Client ships an update weekly, and Mailbux every 5 days. Most recently, eM Client was updated on September 22, 2026 and Mailbux on September 16, 2026.

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