PHDM can do almost everything that ATI + ADD can do(and even more). But, IMHO, PHDM is less intuitive.
I don't trust the "portable versions" in such an important matter. Typically, backup programs use their own drivers/services.
Why buy something that you don’t know how it works? Try the free or pirated version first, read the manual.
Paragon reptiloids are far from the "ideal sellers". They are cold-blooded. Even if you declare your readiness to buy a thousand licenses, they may ignore you.