The free account gives you 5 STL downloads a week. Starter doubles that and nothing else changes: every tool, every mold type, the same personal-use licence.
Billed monthly. No contract, cancel in one click from your account.
Before you pick this
Market stalls, Etsy, a few candles for a friend's shop: all of that needs commercial rights, and those are Pro's. Pro also drops the Meshcast mark and puts your own logo on every file. It is $20 a month, or $179 a year.
Questions