K-9 Mail vs Mobile SFTP (Premium Version)
Side-by-side comparison for Android — updated April 2026
About K-9 Mail
K-9 Mail is an open source email client that works with basically every email provider. Features * supports multiple accounts * Unified Inbox * privacy-friendly (no tracking whatsoever, only connects to your email provider) * automatic background synchronization or push notifications * local an...
About Mobile SFTP (Premium Version)
This is paid Mobile SFTP app which is based on OpenSSH as its backend library. I hope that the tool will make it convenient for users when they come to work on some simple stuff on remote machines. If you have any suggestions and feedback, please send me an email or visit me at http://www.linkedi...
Verdict
K-9 Mail has a rating of 3.1. Mobile SFTP (Premium Version) has 500+ downloads. Both apps are available for free download on Google Play Store. Try both to see which works best for you.