Thunderbird Alternatives for iPhone

Thunderbird is not available for iPhone but there are plenty of alternatives with similar functionality. The best iPhone alternative is Microsoft Outlook. It's not free, so if you're looking for a free alternative, you could try Spark Mail or Apple Mail. If that doesn't suit you, our users have ranked more than 100 alternatives to Thunderbird and many of them are available for iPhone so hopefully you can find a suitable replacement. Other interesting iPhone alternatives to Thunderbird are Meron, Canary Mail, BlueMail and TypeApp.

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Most Thunderbird alternatives are Email Clients, but you can also narrow the list to Calendar Apps or Team Collaboration Tools. Other popular filters are Linux, iPhone, Open Source, Android and EU. You can also filter for EU-based alternatives if you prefer software from the European Union.
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Alternatives
Thunderbird alternatives page was last updated

Alternatives list

  1. Polymail icon
     22 likes

    The most powerful platform for email productivity in a beautiful native app — on desktop and mobile.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Since

    • Since 2016

    Platforms

    • Windows
    • Mac
    • Online
    • iPhone
    • iPad
    Good alternative?
     
  2. Productivity-centered email application streamlines inbox management, uses AI for drafting responses, automates snippets, summarizes conversations, enables timely sends, integrates calendar and CRM, and includes collaborative features like live views and comments.

    86 Superhuman Mail alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Since

    • Since 2019

    Platforms

    • Windows
    • Mac
    • Online
    • Android
    • iPhone
    • iPad
    • Android Tablet
    Good alternative?
     
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  3. Macro icon
     3 likes

    Macro is the open source company OS - channels, email, docs, tasks, crm, and AI in one workspace - that's self-hostable and AGPLv3 licensed.

    Cost / License

    Application type

    Since

    • Since 2026

    Platforms

    • Online
    • iPhone
    • US flagUnited States
    Main landing page on Macro
    Good alternative?
     
  4. Mynigma icon
     2 likes

    Mynigma is a new kind of email client with built-in encryption.

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Since

    • Since 2014

    Alerts

    • Discontinued

    Platforms

    • Mac
    • iPhone
    • iPad
    Good alternative?
     
  5. Stoop icon
     Like

    Stoop is a dedicated inbox for subscription content, including email newsletters and video channels, helping keep your personal email uncluttered. It operates without algorithms, allowing for a focused interaction with content.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Since

    • Since 2022

    Platforms

    • iPhone
    • iPad
    Good alternative?
     
  6. SlideMail icon
     6 likes

    Making email better through artificial intelligence.

    Cost / License

    • Free
    • Proprietary

    Application type

    Since

    • Since 2015

    Platforms

    • iPhone
    Good alternative?
     
  7. Supamail icon
     1 like

    Supamail AI turns hundreds of emails in last 24 hrs into clear summaries, smart categories, and easy replies so you never feel overloaded again.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Since

    • Since 2025

    Platforms

    • iPhone
    Good alternative?
     
  8. TabMail icon
     Like

    TabMail is available as a standalone iPhone email client and an AI assistant add-on for Thunderbird. It works with existing Gmail, Outlook, iCloud and IMAP inboxes, offering suggested replies, conversational editing, email triage and chat with your inbox.

    Cost / License

    Application type

    Since

    • New

    Platforms

    • iPhone
    • Thunderbird
    Good alternative?
     
  9. Marco icon
     Like

    A privacy-first, offline-first email client that puts you back in control. No ads, no tracking, no compromises.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Since

    • Since 2026

    Platforms

    • Mac
    • Online
    • iPhone
    • iPad
    Good alternative?
     
  10. QQ Mail icon
     Like

    Full support for general mail protocols to help you manage all your mailboxes on your phone.

    64 QQ Mail alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Since

    • Since 2025

    Platforms

    • Android
    • iPhone
    • Apple Watch
    Good alternative?
     
  11. Dove icon
     Like

    AI email client that sorts your mail into Needs You, FYI, and Noise, builds your day in a Today view, and drafts replies in your voice.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Since

    • New

    Platforms

    • Windows
    • Mac
    • Online
    • Android
    • iPhone
    • iPad
    • Android Tablet
    Good alternative?
     
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