Pricing

Ostrol pricing

As ostrol.com lists them, read 11 Oct 2026. The maker's own page has the final word.

Plan	Billed and limits	Price
Free	2 free solves per month · no credit card	Free
Mini	Planned short-term access · not yet available · step-by-step solutions · visible verification states	On request
Pro	Planned longer-term access · not yet available · step-by-step solutions · visible verification states	On request
Schools	For approved school pilots · organization roles and invitations · classes and assignments · CSV roster import	On request