Browsing a first setting per search, the 60 material guides, the safety rules and the test grid generator stay free. Premium unlocks the numeric values of the whole database: power, speed, passes and thicknesses for the 37 brands and 125 machines listed.
Passes run from 24 hours to lifetime access, with no auto-renewing subscription: nothing is charged when a pass expires, you simply take another one if you want to. A pass can also be given as a gift, claimed with a code.
Every purchase produces an invoice you can download from your member area. If a purchase is refunded, a credit note is generated automatically and access is removed immediately.