Spark Mail AlternativesOnly apps categorised as Calendar Apps

The best Calendar alternative to Spark Mail is Thunderbird, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Spark Mail and nine of them are Calendar Apps so hopefully you can find a suitable replacement. Other interesting Calendar App alternatives to Spark Mail are Evolution, eM Client, Microsoft Outlook and Claws Mail.

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Spark Mail alternatives are mainly Calendar Apps, but if you're looking for Email Clients or Contact Managers you can filter on that. Other popular filters include Linux, iPhone, Mac, Android and Windows. These are just examples - use the filter bar below to find more specific alternatives to Spark Mail.
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Alternatives list

  1. Thunderbird icon

    Thunderbird

     2551 likes

    Cross-platform email client supporting multiple identities, chat, and strong filtering. Extend functionality with add-ons like RSS/Atom feed readers and PGP support.

    87 Thunderbird alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • BSD
    • AppImageHub
    • Snapcraft
    • Flathub
    • PortableApps.com
    • F-Droid
    • Haiku
    • Homebrew
    • Chocolatey
    Thunderbird screenshot 1
     
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    5
    Thunderbird vs Spark Mail Comments
    Top Positive Comment
    Guest
    1

    There is NO Spark Version for Windows. That's why Thunderbird is the Best Alternative IMO.

    Review by a new / low-activity user.
    Top Negative Comment
    Guest
    10

    works like an old email client, downloading the message and saving in folders. It doesn't work syncing directly online with gmail labels.

    Review by a new / low-activity user.
    hra72
    Positive
    0

    Security & Privacy of Spark is questionable: "Data storage and encryption is secured through Google Cloud service." Thunderbird supports OpenPGP & S/MIME email encryption and is still completely free.

    3 of 5 comments
    • Thunderbird is Free and Open SourceSpark Mail is Freemium and Proprietary
    • Thunderbird is Customizable and Privacy focusedSpark Mail is not according to our users
  2. Evolution icon

    Evolution

     207 likes

    Evolution is a personal information management application that provides integrated mail, calendaring, address book and task list functionality.

    70 Evolution alternatives

    Cost / License

    Application types

    Platforms

    • Linux
    • BSD
    • Flathub
    • S/MIME
    • GNOME
    • OpenPGP
    Mail
     
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    1
    Evolution vs Spark Mail Comments
    CyCo
    Negative
    1

    It is a pain to get working with a business Office 365 account. Very outdated methods for getting started.

    • Evolution is Free and Open SourceSpark Mail is Freemium and Proprietary
  4. eM Client icon

    eM Client

     233 likes

    eM Client is a full featured e-mail client with a modern and easy to use interface. eM Client also offers calendar, tasks, contacts, notes and chat.

    62 eM Client alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Android
    eM Client: Inbox view
     
    |
    1
    eM Client vs Spark Mail Comments
    Guest
    Negative
    2

    Is not a free version of an email client. The fact that you have to pay for more than one email account makes it useless.

    Review by a new / low-activity user.
    • eM Client is Freemium and ProprietarySpark Mail is also Freemium and Proprietary
  5. Microsoft Outlook icon

    Microsoft Outlook

     397 likes

    Streamline emails, calendars, contacts, and task management with a smart inbox prioritizing critical messages. Includes calendar scheduling, third-party app integration like Facebook, Dropbox, and Trello, and support for Microsoft Exchange, Outlook.com, and Gmail, ensuring efficient task and email handling.

    127 Microsoft Outlook alternatives

    Cost / License

    • Paid
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch
    • Android Wear
    Outlook 365 on Windows
     
    |
    5
    Microsoft Outlook vs Spark Mail Comments
    Top Positive Comment
    Guest
    1

    Integrates deeply into windows OS and has all the bells and whistles.

    Review by a new / low-activity user.
    Top Negative Comment
    Guest
    13

    Spark is much more clear and tidy than Outlook. I am waiting so hard for Spark to come out for Windows because Outlook is driving me crazy sometimes.

    Review by a new / low-activity user.
    Guest
    Negative
    0

    its just totally out-dated. configuration a horror. screen-display on small displays (laptops) almost unusable (space for email-text max 10-20%). and since beginning problems with imap (every some weeks big imap-problems).

    Review by a new / low-activity user.
    3 of 5 comments
    • Microsoft Outlook is Paid and ProprietarySpark Mail is Freemium and Proprietary
  6. Claws Mail icon

    Claws Mail

     106 likes

    Email and news client on GTK+ foundation featuring quick performance, extensible plugins, secure protocols, advanced filtering, strong folder and contact management, lightweight design, powerful search, customizable interface, multi-language support, and encryption.

    63 Claws Mail alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Windows
    • Linux
    • BSD
    The main window
     
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    2
    Claws Mail vs Spark Mail Comments
    CyCo
    Negative
    1

    The 90s called, they want their design back

    Thomas Klinger
    Positive
    -2

    It's a little bit old fashioned, but ok, it works.

    Review by a new / low-activity user.
    • Claws Mail is Free and Open SourceSpark Mail is Freemium and Proprietary
    • Claws Mail is Lightweight, Customizable and Privacy focusedSpark Mail is not according to our users
  7. Canary Mail icon

    Canary Mail

     29 likes

    Canary can write your emails, prioritize what needs attention, silence spam & much more. Say hello to your Inbox Copilot!

    63 Canary Mail alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Apple Watch
    iOS-1
     
  9. OfficeMail (a.k.a. Re:Work) icon

    OfficeMail (a.k.a. Re:Work)

     Like

    OfficeMail Pro, an email client app using ActiveSync is not only a secure and safe email client but also an app reinforcing a various convenience aspect. It is a product that has been significantly improved and implemented plenty of features like the shared mailbox and calendars...

    Cost / License

    • Paid
    • Proprietary

    Application types

    Platforms

    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    OfficeMail (a.k.a. Re:Work) screenshot 1
     
  10. Taskbox - Mail icon

    Taskbox - Mail

     6 likes

    Your inbox is already a task list - make it a great one. Taskbox allows you to manage your tasks and todos where they already are -- your inbox -- without forwarding or cutting and pasting them to another app.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • iPhone
    Taskbox - Mail screenshot 1
     
  11. Koma-Mail icon

    Koma-Mail

     4 likes

    Koma-Mail is an email client which is comfortable and has very handy functions. It does not need an installation, so that you can run Koma-Mail from your flash drive but, of course, also on your desktop.

    Cost / License

    • Free
    • Proprietary

    Application types

    Alerts

    • Discontinued

    Platforms

    • Windows
    Koma-Mail screenshot 1
     
9 of 9 Spark Mail alternatives