The duration of stay varies depending on the apartments.
Minimum stay: 3 months for all apartments except Charlie 1 and Charlie 2, these apartments have a minimum stay of 6 months (if you move to another LifeX apartment inside the city, your minimum stay will again be 3 or 6 months).
Maximum stay: unlimited
You can terminate your membership with a minimum one-month notice as long as it is before the end of the previous month. For example, if you would like to end January 31st, then the notice should be given before December 31st.