"I built a free RBT exam prep tool because most of what exists is already outdated"

On January 1st 2026, the BACB switched the RBT exam to the 3rd edition Task List. If you're studying for your RBT right now, the majority of practice questions floating around online are based on the old structure. That's not a minor version bump — the categories shifted, some competencies moved, and the framing changed enough that practising with outdated material is actively unhelpful. I noticed this while helping someone prep for the exam. We went looking for practice questions and kept finding content that hadn't been touched since 2019. Paid courses, free PDFs, Quizlet decks — most of it predates the current task list. So I built something. What it is It's a browser-based RBT practice exam app. No login, no account, no email capture. You open it, answer questions, get immediate feedback, and move on. The question bank is mapped to the 3rd edition Task List categories — A through F — so you can see which areas you're weak on. The whole thing runs client-side. It's a static site, wh