ABTO VoIP SIP Softphone vs Mobile SFTP (Premium Version)
Side-by-side comparison for Android — updated September 2026
About ABTO VoIP SIP Softphone
ABTO VoIP SIP Softphone is based on ABTO VoIP SIP SDK for Android that allows development of custom sip softphones. The application represents most of available functionality of the SDK, but calls are terminated after 1 minute. It is super easy to use and has a lot of benefits for end users. Fea...
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
ABTO VoIP SIP Softphone 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.