The computations to support collision avoidance between gliders sharing thermals have to be done very frequently, very fast, and without delay. That sort of computation is called 'real time computation and programming'. And I think that collision avoidance is actually 'HARD real time computing', computing that absolutely and positively must be completed in the allocated time (or somebody dies). This is probably not something that a highly experienced App developer can whip up in Python.

Do Android or Ios operating systems and the hardware that they run on (smartphones) even support real time computing? If somebody sends you a text while you're in a gaggle, does your collision avoidance app hiccup at a critical moment?