How do I configure this tracker app in my iOS devices through MDM?

You can use MDM to deploy the app. You can use MDM to configure the tracker app. The end users just open the app and it is ready to track. You need a file ManagedAppConfig.plist as follows. You load this plist to your MDM server and it will be pushed to all your managed devices.

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "">
<plist version="1.0">

You can generate your login token in your account page. If you need additional customized settings, you can contact us and we can put them in your login token.