Launched this week
ThirtyPlus

ThirtyPlus

The best FREE ACT prep app with personalized intelligence.

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Adaptive ACT prep with a deterministic intelligence engine that tracks real concept mastery, recommends the highest-impact next mission, and explains every answer without an LLM.

ThirtyPlus makers

Here are the founders, developers, designers and product people who worked on ThirtyPlus

Jonathan LiCreator of the free ACT app ThirtyPlus.
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