guess they can’t be more clear than this:
https://support.athom.com/hc/en-us/articles/360015447093-Which-Homey-models-are-there-
and this:
https://support.athom.com/hc/en-us/articles/360015678393-What-s-changed-in-Homey-v2-0-
and:
https://blog.athom.com/?p=3185
Both Homey (Early 2019) and Homey Pro have received a hardware update. Compared to previous revisions, we have decided to remove NFC and the Microphones because both features were rarely used and the latter never met our highest quality standards.
