: Go to the Zoiper Download Page to get the latest free version.

The free version (often labeled as Zoiper Lite on mobile) is a robust "standalone" softphone. It does include a calling service; you must provide your own SIP or IAX account from a VoIP provider. Download Zoiper 5, a free VoIP softphone

While the official site pushes the newest version, you can often find legacy versions or the current free tier through these steps: