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Spark vs eM Client

Published On January 14, 2025 - Last Modified On May 18, 2026

Spark vs eM Client 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.

Spark Logo

Spark

Spark is an email client that transforms how you interact with your inbox, helping you eliminate email clutter, minimize distractions, and stay organized. With its Smart Inbox and Gatekeeper features, Spark aims to ease email management and prevent unwanted senders from taking over your inbox. Its Premium version offers advanced tools, such as AI-powered assistance and team collaboration.

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.

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

Spark LogoSpark
eM Client LogoeM Client

Operating system

Windows macOS iOS Android

WindowsmacOSAndroidiOS

Versions

Free

Premium Individual

Premium Teams

Free

Personal

Business

Price(s)

  • Free

  • Premium Individual: $4.99/month (billed annually)

  • Premium Teams: $6.99/month (billed annually)

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

  • Personal: $39.95 (one-year subscription)

  • Business $49.95 (one-year subscription)

Notable features

  • Multi-account support

  • Unified inbox

  • Smart Inbox (categorizes/prioritizes messages)

  • Gatekeeper (screens and blocks emails)

  • AI-powered email assistant

  • Third-party app integrations

  • Natural-language searching

  • Bundle emails from preferred senders

  • Message pinning

  • Thread muting

  • Team collaboration tools

  • 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)