Practice at your real level
Skip the boredom of too-easy questions and the frustration of impossible ones. Adaptive testing pinpoints where you are and pushes from there.
For students
Free SAT prep that grows with your real level.
Deaveris is adaptive, mastery-based SAT prep built for high school students. Practice as much as you want, track every skill, and watch a real test-day score estimate update with every answer. Public launch Fall 2026.
What you get as a student.
Unlimited full-length practice tests
No 5-test cap, no paywalled question packs. Take as many practice SATs as you need to feel confident on test day.
See your true SAT level
A live test-day ready score updates as you answer questions, so you always know where you stand and where to focus next.
Built for the Digital SAT
Section-adaptive structure, modern question types, and a question bank calibrated against the digital format.
Streaks, badges, and progress
Practice feels like a game worth coming back to. Earn badges as you grow each skill from one level to the next.
Works on any device
Practice on your laptop at home, your phone on the bus, your tablet between classes. Progress syncs everywhere.
Ready to see your real SAT level?
The diagnostic takes about 15 minutes. After that, every practice session is shaped around the skills you actually need to grow.
Public launch Fall 2026.