Which mathematics software company pioneered the 'classroom economy' subscription model where students earn in-app currency through solving problems that can offset subscription costs?

The educational mathematics software market has evolved dramatically in the last decade. From one-time purchase models to complex subscription tiers, companies have experimented with various pricing strategies to balance accessibility with profitability. This poll tests your knowledge of how leading math software companies have structured their subscription models to capture different segments of the market.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Brilliant.org
Mathspace
Wolfram Alpha
Desmos