I tried em both, and I prefer modafinil, the other makes me a bit anxious and i remember all the time I took It made me jump and almost having a hearth attack for things like someone that says "hey" from behind wtf, modafinil works well, no issues.
I have ahdh and I use ********, i tried using one or the other or even both but I build up tolerance and I dont like the idea of waking up and feel fucking retarded if i dont take a pill, so now I use modafinil for 2 weeks and then ******** for 2 weeks and I dont have to take more, i sleep well and If im away or i run out of pills I function perfectly anyway without them