To begin with the graphics are refreshing. I needed a program to wipe my micro sd from a phone I had to return.
The method choices for the free version include the Fast Zero, Random Characters, and DOD 5220.22M. You can get the newer DOD version with an upgrade as well as Naval Standards and Peter Guttman methods.
The install and wiping process were seamless. I first tried the DOD method which took about 40 minutes using a Dell9020 (8G RAM, dual processors with 3.4 G speed). The Fast Zero took about 14minutes.
I am confident that my disk was wiped well.
I found no reviews that would help me decide if this product was going to help me or destroy my PC.
Efficient, easy to use with more choice of methods.