Hello,
No special Matlab toolboxes or Add-Ons are required to run FEATool Multiphysics.
FEATool Multiphysicscan be installed and used either as a
stand-alone desktop app (without Matlab). Or as a
Matlab toolbox/Add-On (in which case it no additional toolboxes are required except for Matlab itself).
The only difference between using FEATool as a Matlab toolbox and stand-alone desktop app is that when you have Matlab you can also export and run models as Matlab m-script files (for example like these
FEATool m-scrip examples), while using the toolbox without Matlab as a stand-alone app you can only use the toolbox GUI.