What additional features does the PreSens Measurement Studio 2 have? Which applications do require this software?

The PreSens Measurement Studio 2 is database supported, so huge amounts of data can be easily handled. Furthermore, multiple devices connected to the PC / notebook can be controlled with the software, for simultaneous measurements and set-up of measurement networks. So if you want to perform simultaneous measurements with several devices you should use the PreSens Measurement Studio 2, as it offers central control from one PC / notebook.