Niched to GRE prep tool

8 months since its inception, 31Memorize is now shaped by early users into a GRE prep tool, designed to maximize learning:

- Vocabulary builder, with the world most accurate spaced repetition system

- Knowledge gaps analysis to focus on weaker topics/question types

- Unlimited practice test — questions not AI generated because it can't generate high quality questions.

It is a Mangoosh alternative, but cheaper and more focused on learning.