In Szczecin, you can travel by public transport, i.e. buses and trams. Their schedule and routes can be checked on this page https://www.zditm.szczecin.pl/pl/pasazer/rozklady-jazdy,wedlug-linii. In public transport, the following apply one-time temporary tickets, daily and multi-day tickets, monthly tickets, three-month tickets. Their prices can be found at:
https://www.zditm.szczecin.pl/pl/pasazer/bilety-i-oplaty,bilety-orazowe and https://www.zditm.szczecin.pl/pl/pasazer/bilety-i- fees, tickets-term.