Epistles Mail vs MailCopilot

Epistles Mail6.6Visit MailCopilot6.3Visit

Higher score Epistles Mail #28 in Email Clients 6.6/10 Free plan · 14-day trial Free planFree trial✓ 4 of 4 features Visit Epistles Mail

vs

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

• Epistles Mail fits best

  Privacy-focused multi-provider email

• MailCopilot fits best

  Open-source desktop users prioritizing AI triage

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Side by side

Feature	Epistles Mail 6.6/10 Visit ↗	MailCopilot 6.3/10 Visit ↗
At a glance
Editor score	6.6	6.3
Ranking	#28 in Email Clients	#31 in Email Clients
Best for	Privacy-focused multi-provider email	Open-source desktop users prioritizing AI triage
Pricing model	Free plan + paid	Free
Starting price	$35/yr	Free plan
Free plan	✓	✓
Free trial	14 days	—
Deployment	Cloud, Desktop, Mobile	Desktop
Platforms	Web, Windows, macOS, Linux, iOS, Android	Windows, macOS, Linux
Support	Email	Docs, Community
Integrations	10 integrations	5 integrations
Built for	Solo, Small business	Solo, Small business
Features Epistles Mail 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 across Gmail, Microsoft 365, Fastmail, and more Offline reading, search, drafting, and message management Calendar, contacts, Secure Send, and wearable triage apps	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 access limits connected accounts to 2 Advanced tools require the annual Pro plan No AI features or open-source codebase	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	Epistles Mail is a local-first email client for people managing multiple accounts across different devices. It brings Gmail, Microsoft 365, Fastmail, JMAP servers, iCloud, Proton Mail, and IMAP accounts into one application, with native… 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

• Epistles Mail — where it wins

  • Unified inbox across Gmail, Microsoft 365, Fastmail, and more
  • Offline reading, search, drafting, and message management
  • Calendar, contacts, Secure Send, and wearable triage apps

  Where it doesn't

  • Free access limits connected accounts to 2
  • Advanced tools require the annual Pro plan
  • No AI features or open-source codebase

• 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

• Epistles Mail6.6/10 · Free plan · 14-day trial

  A privacy-focused inbox for managing multiple email providers across devices.

  Visit Epistles MailFull verdict →
• MailCopilot6.3/10 · Free plan

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

  Visit MailCopilotFull verdict →