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eM Client vs Mailspring

Published On January 13, 2025 - Last Modified On May 18, 2026

eM Client vs Mailspring Comparison Image

Meet the contenders

Whether you're a freelancer, small business owner, or corporate executive, there's an email app for you. We're here to help you decide.

Let's look at how these two email apps stack up against each other.

eM Client Logo

eM Client

eM Client sets itself apart as one of the most customizable email clients available. You can personalize not only the user interface (with a flexible layout and dozens of themes), but also the way the app handles email. Available for Windows, macOS, and most recently, Android and iOS, eM Client is suitable for professional and personal users who want complete control over every aspect of their email experience.

Mailspring Logo

Mailspring

Mailspring (formerly known as Nylas Mail) is an open-source email client that supports multiple accounts. Available in Free and Pro versions, Mailspring offers both basic and advanced features suitable for student, personal, and professional users.

eM Client vs Mailspring: A side-by-side comparison

eM Client LogoeM Client
Mailspring LogoMailspring

Operating system

WindowsmacOSAndroidiOS

WindowsmacOSLinux

Versions

Free

Personal

Business

Free

Pro

Price(s)

  • Free: Free license for personal, non‑commercial use (registration required)

  • Personal: $39.95 (one-year subscription)

  • Business $49.95 (one-year subscription)

  • Free

  • Pro: $8/month

Notable features

  • Multi-account support

  • Unified inbox

  • Highly customizable user interface

  • Message encryption (PGP and S/MIME)

  • Anti-mail tracking

  • Built-in chat

  • Integration with real-time communications tools (e.g., Google Meet, Microsoft Teams, and Zoom)

  • AI-tools through ChatGPT integration

  • Touch and gesture support for touch screen devices

  • Multi-language support (available in 20 languages)

  • Instant email translations (supports 45 languages)

  • Multi-account support

  • Unified inbox

  • Touch and gesture support

  • Advanced search

  • Activity tracking

  • Quick-reply templates

  • Mac, Windows, and Linux support

  • Themes and layouts (including dark mode)

  • Message translations

  • Localized into 9 languages