Comment by vunderba

Agreed. The idea of having to pay for non-cloud based software in perpetuity forever, and having it stop working the very second I discontinue paying is a hard no for me.

OP, go with the JetBrains model. You can still offer a monthly subscription, but also provide an annual option where you pay up front for a year. After that year, it reverts to a fallback license for the specific version that was current during that period. It’s a good approach.