We already Have on Android app for Geo tracking with distance (latitude & longitude calculating), this was developed for tracking the delivery boys where they are currently moving. if you want the same we will give it to you.. if you want to modify as per your requirements we will build a new app and give it to you in 3 to 4 days. we will give you free web app also.
feel free to contact us.
Hello,
I read your requirements and I can do your work within less time.
I have a team of mobile and web Developers.
We have frequently worked on maps including live tracking.
let's discuss further in details.