Adaptive prep for the toughest school-entry exams — in 5-minute bursts on the subway, in bed, or between classes — and longer sessions at your desktop when you want them.
5-minute sessionsPull out your phone, answer a few, put it away. Progress saves itself.
Adaptive difficultyEvery item is chosen for you — based on what you've already shown you know.
Works offlineNo signal? No problem. Works on the subway, on a flight, anywhere — no ads.
Proprietary Test EngineEvery question picked for your level. Full-length practice tests unlock as your topics get ready.
Almost there.
Pick up where you left off, every time. Sign in to sync across devices, or just keep going on this one.
Phone and computerThe same progress on every device you sign in on.
Nothing gets lostChange phone or clear your browser — your work stays.
Optional — sync across devices
You can start without an account. After about 20 questions we'll ask you to sign in so your progress isn't lost.
Sign in to keep going
The app stays completely free. Signing in saves your progress and lets you continue on any device.
!
Factory reset everything?
This wipes all progress and settings across every test on this device.
You'll be taken back to onboarding. There's no undo.