The goal of SuperMemo World is to popularize SuperMemo. We are happy with every new member of the SuperMemo family.
We wanted to provide our customers with a free working version of SuperMemo. At the same time, we could not forget that the company has to earn for its operations.
That is why we had to look for a way to balance the free download and distribution approach with some incentive for the user to pay the license fee (NB: one of the lowest in the industry).
Our experience showed that the shareware approach does not work at all!
In the years 1991-1997 we have gained thousands of users of SuperMemo 2, SuperMemo 5 and SuperMemo 6.
At the same time, we received less than 10 shareware contributions (!) while the number of support requests was nearly a thousand times greater!
That is why in 1998 we opted for the current registration scheme.
We wish you lots of fun and inspiration when using SuperMemo!