Interface, Interaction and User Experience Design Ttmm-s for Fitbit Versa App by Albert Salamon Ttmm-s for Fitbit Versa app offers collection of clock faces, equipped with the weather feature, in a monthly subscription plan. The app presents clock faces in four categories: the Analogs, the Digitals, the Abstract and the Once. App has a clear view of a single clock face design together with all necessary informations on how to operate a given clock face. Clock faces have two extra views: the weather condition and the air quality view and special weather alerts. Alerts allow to be prepared for unforeseen weather conditions resulting from climate change on our planet.