KnownCalls - Whitelist calls vs Mobile SFTP (Premium Version)
Side-by-side comparison for Android — updated June 2026
About KnownCalls - Whitelist calls
KnownCalls is the new ad-free and absolutely free call blocker app for Android that helps fight spam calls while respecting your privacy. !This app only works with calls. For work with text messages, download the KnownCalls' version with SMS muting from its official website.! With KnownCalls yo...
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
KnownCalls - Whitelist calls has a rating of 4.6. 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.