The manufacturer sells the product with a stylus.
Source: https://onyxboox.com/boox_nova3...
At Brack.ch as well. (Sorry for the extraneous advertising, but since Digitec once again does not fill out the description correctly and completely, this has to be the case).
Source: https://www.brack.ch/onyx-e-boo...
This comment here mentions the stylus as a plus point, so I would assume that it is included (no guarantee):
Source: https://www.digitec.ch/de...

Yes it is