Use APKPure App
Get MySondy FINDER old version APK for Android
MySondy FINDER connects to your MySondy Server.
This App works in support of the MySondy server (http://mysondy.altervista.org).
MySondy Finder receives and helps in the search for Radio Sonde. If you do not have a MySondy server but would still like to try this App you can leave the default access data that will allow you to use our test server.
Support Forum:
https://mysondy.altervista.org/Forum/index.php