TTMM clock faces are compatible with Fitbit Versa 4 and Versa Sense 2
Only the current version so far — new entries appear as the app ships updates.
TTMM-VIS for Fitbit Versa is a health & fitness app by TTMM Sp. z o.o. with 100+ downloads (about 227 estimated). +1 installs in the last 7 days. Released Feb 28, 2023. Install growth, rank history, SDKs and ad networks.
From the store listing: “Awarded designer watch faces with the air pollution alerts”