you're right, LFO and VCO are digitally implemented..
B.b.b.but.. you won't recognize it from the outside if you're not a professional (and in this case maybe you have the big devices anyway). In contrast to the Volca, NTS or comparable devices you don't have a tact, scale, harmony or anything else which makes it easy to create "music" out of the box, but you have oscillators, inputs and outputs and create connections using wires..
"has a unique digital lo-fi sound" :)
According to switch setting it appears the cat is unable to provide power via USB.
...or Korg NTS-1 (or even both together), which is not as modular but fun and hackable in its own way