thirty-six.co

Personalized ACT test prep for high schoolers

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Self-Reported Revenue

The creator of thirty-six.co has reported monthly revenues of $200.

This figure was last updated June 23, 2026, and has not been independently verified.

About

I started building thirty-six.co for my younger brother while he was in high school and considering applying to US colleges. Since then, it's been used by more than 3000 students around the world.