eM Client vs Roundcube

eM Client8.8Visit Roundcube8.7Visit

Higher score eM Client #6 in Email Clients 8.8/10 Free plan · 30-day trial Free planFree trial✓ 4 of 4 features Visit eM Client

vs

Roundcube #7 in Email Clients 8.7/10 Free plan Free plan✓ 0 of 4 features Visit Roundcube

• eM Client fits best

  Users wanting broad productivity integrations

• Roundcube fits best

  Self-hosters wanting a dependable open-source webmail base

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Side by side

Feature	eM Client 8.8/10 Visit ↗	Roundcube 8.7/10 Visit ↗
At a glance
Editor score	8.8	8.7
Ranking	#6 in Email Clients	#7 in Email Clients
Best for	Users wanting broad productivity integrations	Self-hosters wanting a dependable open-source webmail base
Pricing model	Free plan + paid	Free
Starting price	$39.95/user/yr	Free plan
Free plan	✓	✓
Free trial	30 days	—
Deployment	Desktop, Mobile	Self-hosted
Platforms	Windows, macOS, iOS, Android	Web
Support	Email, Community	Community, Docs
Integrations	15 integrations	1 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features eM Client 4/4 · Roundcube 0/4
Unified inbox	✓ (best)	Not checked yet
Offline access	✓ (best)	Not checked yet
Scheduled sending	✓ (best)	Not checked yet
Calendar tools	✓ (best)	—
Specs
App coverage	All	Web
Account limit	2 accounts	Not checked yet
Our review
Pros	Unified inbox supports multiple email accounts Works across Windows, macOS, iOS and Android Includes encryption, offline access, calendars and AI assistance	Free, open-source deployment on a web server IMAP folders, search, threading, identities, and address books Plug-in API with PGP encryption support
Cons	Free license is limited to two email accounts Free license is for personal, non-commercial use Its broad feature set may exceed email-only needs	No native mobile applications Calendar features are third-party additions Multiple-account support is a third-party addition
Our verdict	eM Client is an email client for individuals, freelancers and businesses who want email, calendars, tasks, contacts, notes and chat in one application. It connects with Gmail, Google Workspace, Microsoft 365, Exchange, Outlook, iCloud,… Read the review →	Roundcube is a browser-based, multilingual IMAP email client for people and organizations that want to host their own webmail. Its application-like interface covers message composition and management, MIME and HTML messages, responsive… Read the review →

Strengths and trade-offs

• eM Client — where it wins

  • Unified inbox supports multiple email accounts
  • Works across Windows, macOS, iOS and Android
  • Includes encryption, offline access, calendars and AI assistance

  Where it doesn't

  • Free license is limited to two email accounts
  • Free license is for personal, non-commercial use
  • Its broad feature set may exceed email-only needs

• Roundcube — where it wins

  • Free, open-source deployment on a web server
  • IMAP folders, search, threading, identities, and address books
  • Plug-in API with PGP encryption support

  Where it doesn't

  • No native mobile applications
  • Calendar features are third-party additions
  • Multiple-account support is a third-party addition

• eM Client8.8/10 · Free plan · 30-day trial

  A capable multi-account client for users who want email alongside broader productivity tools.

  Visit eM ClientFull verdict →
• Roundcube8.7/10 · Free plan

  A focused, free webmail base for self-hosters who need core IMAP tools.

  Visit RoundcubeFull verdict →