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K-9 Mail Alternatives for Android

There are many alternatives to K-9 Mail for Android if you are looking for a replacement. The best Android alternative is Microsoft Office Outlook. It's not free, so if you're looking for a free alternative, you could try FairEmail or Delta Chat. If that doesn't suit you, our users have ranked more than 25 alternatives to K-9 Mail and 17 are available for Android so hopefully you can find a suitable replacement. Other interesting Android alternatives to K-9 Mail are Spark Mail, BlueMail, TypeApp and Canary Mail.

K-9 Mail alternatives are mainly Email Clients but may also be Calendar Apps or Group Chat Apps. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of K-9 Mail.
This page was last updated Apr 15, 2022
K-9 Mail
  273
  • FreeOpen Source
  • Android
  • Android Tablet
  • F-Droid

K-9 is an open source email client for Android with multi-folder sync, email signatures, Bcc-to-self, return-address...

Learn more about K-9 Mail

  1. Microsoft Outlook, part of the Microsoft Office Suite (not to be confused with Microsoft Outlook Express), is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks.

    Microsoft Office Outlook vs K-9 Mail opinions
    This alternative is disputed. Microsoft Office Outlook is still a legitimate alternative to K-9 Mail, but it might have issues that some users think are important.

    Microsoft Office Outlook has more vulnerabilities and so far, seems more of a memory hogger on my device than K-9 Mail. Thank you, K-9 Mail!

    Negative comment about 3 years ago
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    If this Comment contains spam or other abuse, notify admins about it.

    3
  2. FairEmail is a privacy-focused email client with a setup wizard that helpfully walks you through the steps to use it with any email provider. There are many privacy settings including encryption via OpenPGP and S/MIME and reformatted emails to avoid phishing.

    Almost everyone thinks FairEmail is a great alternative to K-9 Mail.


  3. E-mail app with all the great features: swipes (long/short), snooze, add (multiple) attachments from the cloud, support for various e-mail services and more.

  4. Delta Chat

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • FLATHUB
    • F-Droid

    Delta Chat looks and feels like other popular messenger apps, but does not involve centralized control, tracking or selling you, friends, colleagues or family out to large organizations. "Privacy by Design" has never been more fun.

  5. BlueMail

    • Free PersonalProprietary
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Apple Watch

    BlueMail is a modern, mobile first, powerful Email management tool with a sleek design, unified inbox and support for all your accounts: IMAP,Exchange,POP3.

    Some users think BlueMail is a great alternative to K-9 Mail, some don't.


  6. TypeApp

    • Free PersonalProprietary
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Android Wear
    • Kindle Fire

    TypeApp is an all-free, beautifully designed, universal email app, capable of managing unlimited number of mail accounts from various providers, allowing for smart push notifications while enabling personalization across multiple email accounts.

  7. Canary Mail

    • FreemiumProprietary
    • Mac
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch

    Canary is an exciting new email client for Mac that offers a full set of powerful features with one key difference - your emails are not stored on a 3rd party server.

  8. myMail

    • FreeProprietary
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch

    myMail is the smart email app for managing all your accounts on iOS and Android.

  9. Aqua Mail

    • FreemiumProprietary
    • Android
    • Android Tablet

    AquaMail is an email app for Internet and Exchange mail, for Android 4.0.3 and higher.

  10. Librem Mail

    • Android
    • Android Tablet
    • PureOS (Purism)

    End-to-end encrypted email used by nearly everybody already.

Showing 10 of 17 alternatives