K-9 Mail K-9 Mail
vs
Thunderbird Thunderbird

This is a side by side comparison of K-9 Mail and Thunderbird. Two products that are similar in nature, yet provide unique feature-sets that are worth taking in to account before making a purchasing decision or start using the software. This page can help you broadly analyze the products and weigh pros and cons against one another. Allowing you scrutinize peoples opinions about K-9 Mail and Thunderbird, before making a decision if any of the products fit your use-case.

What is K-9 Mail?

K-9 Mail is an open source email client focused on making it easy to chew through large volumes of email. K-9 Mail is designed for both novice and power users and offers lots of features for everyone. It provides features like Push IMAP Support, GPG & PGP/MIME support, Per Account Notifications, Unified Inbox, White and Dark Theme, and Signatures.

How much does K-9 Mail cost?

No pricing information available..

What platforms does K-9 Mail support?

K-9 Mail is available for Android and F-Droid .

Top K-9 Mail Alternatives

Tutanota

Tutanota is the world's most secure email service, easy to use and private by design. Tutanota brings secure email for everybody.

Freemium & Open Source
👍 Most people think Tutanota is a good alternative to K-9 Mail.

ProtonMail

World's largest secure email service providing end-to-end encrypted email accounts. ProtonMail is based in Geneva, Switzerland and protected by Swiss privacy laws. The software is openly developed with fully open source code.

Free , Commercial , Pay What You Want & Open Source
👍 Most people think ProtonMail is a good alternative to K-9 Mail.

Zoho Mail

Zoho Mail provides ad-free email hosting for business and organizations. It's comes with intuitive migration tools, along with 24/7 dedicated migration support to ensure smooth, lossless migration from your existing email provider. With Zoho Mail, your organization can manage all their email, calendar and contact needs. Since Zoho Mail is part of the Zoho's suite of online productivity, it's easy to extend the capability in to more parts of Zoho's offering and essentially run your entire business with Zoho. Zoho is provided as a Freemium software, where the free plan supports up to 5 users in an organization.

Freemium & Proprietary
👍 Most people think Zoho Mail is a good alternative to K-9 Mail.

The software Thunderbird Thunderbird is removed from the Top K-9 Mail Alternatives since you are comparing against it. If you are looking for more software, applications or projects similar to K-9 Mail K-9 Mail we recommend you to check out our full list containing 18 K-9 Mail Alternatives.

K-9 Mail Gallery

What is Thunderbird?

A free an open-source email client developed openly by the Mozilla Foundation and the community. Thunderbird is easy to setup and customize and supports POP and IMAP. The email client comes with all features needed to search, filter, write and manage emails, but also have builtin support for live chat between contact and RSS/Atom feed reader.

How much does Thunderbird cost?

No pricing information available..

What platforms does Thunderbird support?

Thunderbird is available for Windows , macOS , Linux and FreeBSD .

Top Thunderbird Alternatives

Gmail

Arguably the most popular email service in the world, Gmail provides a email inbox for over 1.5 billion users. With Gmail you can create an email account for free that manages emails and contacts in the same application. Gmail is web-base but provides clients for mobile devices and supports third-party programs that synchronize email content through POP or IMAP protocols.

Free & Proprietary

Microsoft Outlook

Microsoft Outlook is a freemium personal email service and email client created by Microsoft. Microsoft Outlook does not scan your email for the purpose of serving you ads. The Microsoft Outlook email client allow you to be productive and stay connected from your home, on the go, and everywhere in between. Microsoft Outlook also integrates well with other Microsoft service allowing you to reach an eco-system of productive apps from within your mail client, be it in the browser or natively on your computer or mobile device.

Freemium & Proprietary

The software K-9 Mail K-9 Mail is removed from the Top Thunderbird Alternatives since you are comparing against it. If you are looking for more software, applications or projects similar to Thunderbird Thunderbird we recommend you to check out our full list containing 3 Thunderbird Alternatives.

Thunderbird Gallery