eM Client vs MailCopilot

eM Client8.8Visit MailCopilot6.3Visit

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

MailCopilot #31 in Email Clients 6.3/10 Free plan Free plan✓ 4 of 4 features Visit MailCopilot

• eM Client fits best

  Users wanting broad productivity integrations

• MailCopilot fits best

  Open-source desktop users prioritizing AI triage

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Side by side

Feature	eM Client 8.8/10 Visit ↗	MailCopilot 6.3/10 Visit ↗
At a glance
Editor score	8.8	6.3
Ranking	#6 in Email Clients	#31 in Email Clients
Best for	Users wanting broad productivity integrations	Open-source desktop users prioritizing AI triage
Pricing model	Free plan + paid	Free
Starting price	$39.95/user/yr	Free plan
Free plan	✓	✓
Free trial	30 days	—
Deployment	Desktop, Mobile	Desktop
Platforms	Windows, macOS, iOS, Android	Windows, macOS, Linux
Support	Email, Community	Docs, Community
Integrations	15 integrations	5 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business
Features eM Client 4/4 · MailCopilot 4/4
Unified inbox	✓	✓
Offline access	✓	✓
Scheduled sending	✓	✓
Calendar tools	✓	✓
Specs
App coverage	All	Desktop
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	AI triage, summaries, smart replies, and attachment reading Unified IMAP/SMTP inbox with offline synchronization and local caching Free AGPL-3.0 desktop app with no paywall or hidden fees
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	Requires existing email accounts that support IMAP and SMTP Desktop-focused rather than a mobile email experience AI assistant features are optional rather than central to every workflow
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 →	MailCopilot is an open-source desktop email client for people managing multiple IMAP and SMTP accounts. It brings those accounts into a unified inbox with conversation threading, advanced search, scheduled sending, undo send, snoozing,… 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

• MailCopilot — where it wins

  • AI triage, summaries, smart replies, and attachment reading
  • Unified IMAP/SMTP inbox with offline synchronization and local caching
  • Free AGPL-3.0 desktop app with no paywall or hidden fees

  Where it doesn't

  • Requires existing email accounts that support IMAP and SMTP
  • Desktop-focused rather than a mobile email experience
  • AI assistant features are optional rather than central to every workflow

• 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 →
• MailCopilot6.3/10 · Free plan

  A free, open-source email client for desktop users who want AI-assisted inbox management.

  Visit MailCopilotFull verdict →