There are four demo videos of Tereshkova on YouTube. Here's Tereshkova demo #01: Used with Oberkorn sequencer:
Differences between Vostok and Tereshkova;
They are identical in every respect, except with the Tereshkova, instead of the Matrix panel and VU meter you get extra;
Other than that identical. They will produce the same sort of sounds.
The choice is whether you need the Pin Matrix Panel or the extra modules. Both are useful!
Pricing and Availability: