What is the best way for object detection in an image in xamarin?

Question

I need to make object detection in my xamarin project . so what is the best way to do it , I prefer that it is free , if not what is the cost of it please ?

I checked some links and videos and I realized that custom vision api from microsoft azure can make it , but it requires an account on microsoft azure and I have some limitations on the number of transactions ,projects and trainings . is there is free alternatives ?

Answer 1

here is object detecting site in which you can call 5K request per month free.