3CX vs Aircall: What are the differences?
What is 3CX? Your PBX, Your Way: On-premise or in the Cloud. It is an open standards IP PBX that offers complete Unified Communications, out of the box. Suitable for any business size or industry it can accommodate to your every need; from mobility and status to advanced contact center features and more, at a fraction of the cost.
What is Aircall? The phone system for modern business. Aircall is an app that you can install and setup in a few minutes. It lets you buy one or several phone numbers across the world, add teammates to your dashboard, and place & receive calls on your existing devices. Everything is managed inside the Aircall app.
3CX and Aircall can be primarily classified as "Phone" tools.