ARCore and EasyAr Advice

Hello everybody,

I have AR projects so I am looking for most efficient AR software for my mobil projects.

After my researching, I see that EasyAR is cheapest and efficient software inculuding ARCore features.
( EasyAR 4.0 Features:

, https://www.easyar.com/view/sdk.html)

Why I am not looking free software like ARCore. I know ARCore is really usefull and advenced and getting more advenced. But unfortunately its not support all devices. Maybe in future it will be. But for now I need a software wich is supported for all mobile devices.

What is your advice for me?

Thank you.