constently updating
If a tool isn't being used for some time, the machine that runs the tool would be recycled to save cost. And next time it would need to cold start, which would cost more time (around 2 minutes).
Every new user has 10 free credits. And we give 3 free credits everyday for users whose credits are below 3.
All tools need a GPU machine to run, and GPU costs a fortune.
Currently we don't support refund, but we're working on it.
Yes, we can deploy a private service for you, and once deployment is completed, you won't be charged for additional fees other than the service's machine cost.