Clarification on free vs pro

Do the free PSQL database’s go down after a certain amount of time? If so does the pro plan get around this?

bit.io provides serverless Postgres, so both free and pro connections close after 5 minutes of inactivity. The database cools down after 60s of no connections and restarts very quickly when you reconnect. When the database is in use, it stays active. This is a good resource:

Does that answer your question, or were you asking in another sense of going down?