As for me, it's better to use JAVA. I'm going to learn about telemedicine app development. Now it has become a very popular topic. I reccommend you to get acquainted with this information. Hope you find a lot of useful info for you.
Personally, I use C++. For telemedicine app development, this is a very interesting and profitable business that is gaining momentum. Try it and you will find yourself in it I think you will not be disappointed.