13 Best Email Apps For Mac

macOS continues to be a powerful productivity platform, and email remains a central hub for communication. While Apple Mail is built-in and highly capable, many users look for more advanced features, AI integration, better organization, or tighter Gmail/Exchange compatibility. Here’s an updated, expanded list of the top 13 email clients for Mac users in 2025, based on performance, features, design, and innovation.

1. Apple Mail (Free, built-in)

Still a favorite for many Mac users, Apple Mail has undergone significant upgrades in 2025. With macOS Sequoia, it now integrates Apple Intelligence (AI) features such as smart summaries, writing suggestions, and real-time email categorization.

At Computer Technicians, we use Macs as well and we use Apple Mail as default in all of them 😉

• Pros: Deep integration with iCloud, Calendar, and Contacts.
• AI auto-categorizes mail into Primary, Promotions, and Updates.
• Great for users who value simplicity with native macOS features.
• Now supports Gmail-style labels and VIP Smart Inbox.

2. Spark Mail (Free/Premium)

Spark is known for its intelligent inbox, collaborative tools, and clean interface. The 2025 version brings in AI-powered reply suggestions and email drafting, making it ideal for busy professionals and small teams.

• Shared inbox and delegated tasks.
• Focused Inbox for filtering out distractions.
• Integrates with services like Dropbox, Trello, and Zoom.
• Premium version enables advanced automation rules and calendar sync.

3. Mimestream (Free with Pro version)

Designed exclusively for Gmail users on macOS, Mimestream uses the Gmail API instead of IMAP, which means native performance, accurate label syncing, and instant updates.

• Pros: Native macOS design, blazing-fast performance.
• Supports multiple Gmail accounts.
• Offers offline search and rich formatting.
• Ideal for power Gmail users seeking a Mac-first experience.

4. Microsoft Outlook (Part of Microsoft 365 / Free basic tier)

Outlook for Mac has been rebuilt from the ground up and now features a more modern UI. Perfect for those using Exchange, Microsoft 365, or corporate email accounts.

• Unified calendar, email, contacts, and tasks.
• Focused Inbox separates important mail.
• Fully optimized for Apple Silicon and macOS Sequoia.
• Now includes Microsoft Copilot for smarter scheduling and response suggestions.

We also use and highly recommend Microsoft Outlook.

5. Canary Mail (Freemium)

Security and productivity converge in Canary. Its clean UI masks powerful features like end-to-end encryption, AI summaries, and a built-in email assistant called “Copilot.”

• PGP and S/MIME encryption by default.
• Reads your emails to summarize and prioritize.
• Works with all major providers: Gmail, Outlook, iCloud, IMAP.
• Privacy-first design with no cloud storage of your data.

6. Airmail (Paid)

Airmail remains one of the most customizable email clients for macOS. It supports a wide range of plugins and rules, making it a favorite among productivity enthusiasts.

• Unified inbox, customizable gestures, and integrations with Todoist, Evernote, and more.
• Minimalist but powerful UI.
• Now supports Apple Intelligence for draft assistance and content filtering.

7. MailMate (Paid / Power users)

MailMate is a plain-text email app focused on performance, Markdown support, and deep filtering options. It’s ideal for developers, writers, and keyboard-centric users.

• Plain-text only = security and speed.
• Advanced search, rules, and automation scripting.
• Great for users who don’t need flashy interfaces.
• Integrates with external editors and shell scripts.

8. Thunderbird (Free / Open Source)

Thunderbird has undergone a massive revamp. The new design is sleeker, faster, and now includes modern calendar integration and a native mobile app for Android.

• Cross-platform support (Mac, Windows, Linux, Android).
• Strong plugin ecosystem.
• Built-in encryption and spam filters.
• Backed by Mozilla with a growing user base in 2025.

9. Mailbird (Free/Paid – Now on macOS)

Originally Windows-only, Mailbird now supports macOS (as of late 2024). It’s packed with productivity features like email tracking, app integrations, and unified inbox.

• Support for Gmail, Outlook, Yahoo, and custom IMAP.
• ChatGPT-powered writing assistant.
• Integrates with WhatsApp, Slack, Zoom, Google Meet.
• Good alternative to Spark or Outlook.

10. eM Client (Paid)

eM Client is an all-in-one productivity suite with email, calendar, tasks, and chat—all in one place. Recently acquired Postbox to expand its features.

• Supports PGP encryption, delayed send, and email templates.
• Built-in translation, quick replies, and meeting scheduling.
• Suitable for small businesses and freelancers.

11. Unibox (Paid / Unique UI)

Unibox offers a fresh approach by organizing emails by sender rather than thread. It feels more like messaging, which appeals to minimalists and design-focused users.

• Person-centric conversation view.
• Modern interface with fewer distractions.
• Limited features compared to others, but unique UX.

12. Polymail (Freemium)

Polymail combines email with sales productivity tools. It offers tracking, scheduling, follow-ups, and detailed analytics.

• Perfect for solopreneurs and salespeople.
• AI-powered reply suggestions and summaries.
• Works across Mac, iOS, and web.

13. Notion Mail (Beta in 2025)

Notion has entered the email space in 2025 with a minimalist client that integrates directly into its productivity suite.

• Slash commands inside emails.
• Smart filters for actionable emails.
• Still in early beta, but shows huge promise for Notion users.

🤖 What’s New in 2025

• Apple Intelligence: Integrated across Apple Mail, Airmail, and Spark.
• Gmail API support: Mimestream and Mailbird offer faster syncing.
• Cross-platform sync: Thunderbird now includes Android mobile app.
• Built-in AI: Canary, Polymail, Spark, and eM Client include draft and reply AI.
• Enhanced privacy: End-to-end encryption is now standard in many apps.

🧭 Which App Should You Choose?

Still unsure which app suits your workflow best? Our Mac specialists at Computer Technicians can help you choose, install, and migrate your email setup for optimal productivity. Please book online or give us a call on 0484 357 559