Khoa Vo

PrePal

About

Ex-SAT tutor, now running a full on SAT tutoring agency while building PrePal - an AI Test Engine and Tutor for the Digital SAT. Based in Vietnam - <studyprepal.com>

Badges

Tastemaker

Gone streaking

Maker History

PrePalAI tutor to diagnose why your SAT score is stuck and fix it
Jun 2026

🎉

Joined Product HuntMay 6th, 2026

Forums

•

21h ago

PrePal - AI tutor to diagnose why your SAT score is stuck and fix it

Most AI tutors are ChatGPT in a skin. PrePal is different in three specific ways: 1. Fine-tuned on 3 years of real SAT tutoring notes from our agency, not generic GPT 2. Adaptive practice mirrors the digital SAT's actual IRT scoring engine 3. Diagnoses why your score plateaus — not just explains individual answers Built by an ex-SAT tutor (3yr, ~100 students). For international-school students prepping for US universities. Live in Early Access.