ListShine

vs

K-9 Mail

With MailGet, you can do email marketing 100X cheaper utilizing Inbuilt SMTP or Amazon SES. Which makes MailGet and extremely affordable email marketing service when compared to certain competitors. Their pricing plans are based on the number of subscribers you can store in MailGet account. MailGet charges a flat fee of $29 for sending unlimited emails to 5,000 subscribers, $49 for 15,000 subscribers and $99 for 50,000 subscribers.

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

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.

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.