Before getting this, I had used a Zoom B3 as my main practice tool/headphone amp. I had come to a point where I knew what kind of bass tone I like and figured that a Bass Driver would get me there. Also, I like the possibilities for live use, even though I don't really play live anymore. I was also considering a Darkglass Alpha Omega, which had just come out at the time, but I was worried that it would be less versatile and too modern sounding. The Bass Driver seemed like a safer choice, and more of a solid platform to build on.
I don't think I can say much that hasn't been said many times already. It is not really a neutral sounding box that will give you the pure sound of your instrument, but it is also far from a one-trick pony. Anything from gritty rock tones to warm vintage tones. Some people would argue that the programmable version is more useful, but I am more a "set it and forget it" type of player who doesn't like to tweak too much.
I am mostly a bedroom player and use it as a headphone amp on my computer, in combination with a small interface (Behringer UMC204HD). Via XLR, you don't even need a separate power source for the pedal since it can operate on the interface's phantom power, which saves a bit of cable mess.
I'm sure there are equally good and cheaper alternatives for a quiet practice solution, but I love that I can get a great sound during practice while also being able to use it live, should I ever need to. I guess for most people it's the other way round.
Great sound, especially if you like more vintage tones. Built like a tank. Flexible in use. 10/10 would recommend!