Does  XC Tracer support many apps/programs?

Yes, you have the choice what information will be sent over BLE. You can choose the output in the configuration file, the options are XCTRACER, LK8EX1, LXWP0 and LXWPW. Please choose only one of them. And choose the one that is compatible with your app.

FlyskyHy (iOS): BLE string XCTRACER 

Skylogger (iOS): BLE string XCTRACER 

Thermgeek (iOS): BLE string XCTRACER 

XCSoar (Android, Kobo): BLE string LXWP0, choose LXNAV as driver in XCSoar

TopHat (Android, Kobo): BLE string LXWP0

TheVariometer (iOS): LXWP0 or XCTRC or LK8EX

FlyMe (Android): BLE string LXWP0 or BLE string XCTRACER

Androflight (Android): BLE string XCTRACER

XCTrack (Android): BLE string LXWP0 or LXWPW

FreeFlight & FreeFlight Pro (iOS): BLE string LXWP0

XC Guide (Android): BLE string XCTRACER

SportsTrackLive (Android and iOS): BLE string XCTRACER