K-9 Mail K-9 Mail
vs
ProtonMail ProtonMail

This is a side by side comparison of K-9 Mail and ProtonMail. 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 ProtonMail, 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.

HEY

HEY is a privacy focused commercial email provider. It brings a fresh approach and transforms email into something you want to use, not something you’re forced to deal with.

Commercial & Proprietary
👍 Most people think HEY 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 ProtonMail ProtonMail 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 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.

How much does ProtonMail cost?

No pricing information available..

What platforms does ProtonMail support?

ProtonMail is available for Android , iOS and Web .

Top ProtonMail 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 ProtonMail.

HEY

HEY is a privacy focused commercial email provider. It brings a fresh approach and transforms email into something you want to use, not something you’re forced to deal with.

Commercial & Proprietary
👍 Most people think HEY is a good alternative to ProtonMail.

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.

Free & Open Source
👍 Most people think Thunderbird is a good alternative to ProtonMail.

The software K-9 Mail K-9 Mail is removed from the Top ProtonMail Alternatives since you are comparing against it. If you are looking for more software, applications or projects similar to ProtonMail ProtonMail we recommend you to check out our full list containing 16 ProtonMail Alternatives.

ProtonMail Gallery