Digital SAT practice that matches the real test.
The same interface as the real thing, a question bank we check before you see it, and drills built from your own mistakes. One subscription. PSAT, ACT and AP are on the way.
Pro comes with a +100-point score guarantee — improve, or your next month is free.
✓ Free forever — no credit card required
- Real section timers & pacing
- Topic heatmaps & analytics
- Auto drills from mistakes
- Privacy-first, no ads
Looking at your last 5 attempts, you're reading x² as “2x” — but x² means x times itself (x · x). Try this one:
Context-aware tutoring built on your practice history — free to try daily, more with Pro.
What's included
The SAT today. PSAT, ACT and AP are on the way.
SAT
Full Digital SAT format with adaptive Module 2, section timers, and a full question bank.
PSAT / NMSQT
Same format as the Digital SAT. National Merit qualification prep. Porting our SAT bank.
ACT
English, Math and Reading, plus optional Science and Writing. Different format from the SAT — we're building it right.
AP Exams
35+ AP subjects. We'll build the most-requested ones first. Pick yours on the vote page.
Why UnlimitedTests?
Real Simulation
Timed, sectioned engine that feels like the real SAT.
Instant Analytics
Topic heatmaps and per-question timing to focus your effort.
AI Review Drills
Your mistakes become custom practice sets automatically.
Track Progress
Milestones, streaks, and growth charts keep you motivated.
More than practice questions
What's actually in the toolkit, beyond the test engine.
Spaced repetition review
Every question you miss becomes a review card. We resurface it at the right interval so it sticks — you're not just answering practice questions, you're building memory.
- Auto-built from your wrong answers
- Re-tested at increasing intervals
- Drills retire once you've mastered them
Score prediction
See roughly where you'd score today. Our estimate is shaped on College Board's published practice-test scoring and updates as you practice — a grounded estimate with a range, not an official score.
- Live forecast toward your target
- Shaped on published practice-test scoring
- Updates after every full-length test
Adaptive study plan
Tell us your target score and test date. We build a daily plan focused on your weakest topics and adjust it as your skills shift across modules.
- Built around your test date
- Re-prioritizes weak topics weekly
- Mixes timed drills, full tests, and review
How we compare
Explanations checked before you see them and a real AI tutor — at a fraction of the price.
| Feature | UnlimitedTests | Khan Academy | Acely | OnePrep | Princeton Review |
|---|---|---|---|---|---|
| Free to start | |||||
| Unlimited full-length practice tests | |||||
| Adaptive, AI-personalized practice | |||||
| AI tutor on any question | |||||
| Spaced-repetition review | |||||
| Personalized study plan | |||||
| Price | Free–$24.99/mo | Free | $149 monthly · $297 quarterly · $588 yearly | $115 or $131.66 one-time (to Nov 8, 2026) | $299 self-paced (365 days) |
What each price means (checked on October 11, 2026)
- UnlimitedTests: Free plan. Pro is $24.99 billed every month, $108 billed every 6 months, or $179 billed every year.
- Khan Academy: Official Digital SAT Prep is free. khanacademy.org did not render for our check; the College Board page states the prep is free. Source: College Board.
- Acely: A free version with no credit card: a short skills assessment, one SAT practice test and one ACT practice test. All paid plans also have a 3-day free trial. Paid: Monthly $149, billed every month; Quarterly $297, billed every 3 months; Annual $588, billed once a year (12 months). Source: acely.com/pricing.
- OnePrep: A $0 Free plan with no credit card: limited practice questions, one full-length practice test and AI tutor use limited to 10 “orbs” a week. Paid: Plus $115, one-time, access through November 8, 2026; Pro $131.66, one-time, access through November 8, 2026. Prices as listed for the November 2026 SAT; access ends on that date. Source: oneprep.com/pricing.
- Princeton Review: A 14-day free trial of SAT Self-Paced, and free SAT practice tests. Paid: SAT Self-Paced $299, 365 days of access. We checked the self-paced course only; live courses and tutoring are priced separately. Source: princetonreview.com.
Competitors change their prices; check their sites for today's offer.
How it works
Three steps from first click to score jump.
Take a diagnostic
Short free test shows your baseline.
Get your personalized plan
AI identifies weak areas and creates a study schedule.
Practice and improve
Unlimited tests, spaced repetition, and AI tutor chat.
Frequently asked questions
Everything you need to know before you start.
- The Free plan includes the diagnostic, daily drills, unlimited topic practice, and one full-length SAT and one Checkpoint a month. Pro gives you unlimited full-length SATs and Checkpoints, plus adaptive practice and more daily AI-tutor questions.
- Your Module 2 difficulty adjusts based on M1 performance, mirroring the real Digital SAT.
- Yes — cancel your PRO subscription anytime from the billing portal. Cancellation takes effect at the end of your current billing period: you keep full PRO access until then, and we don't refund partial months.
- The SAT is fully live with a complete question bank. PSAT, ACT, and AP exams are coming next — on the vote page you can help us decide which AP subjects to build first. Your subscription will unlock every test as it ships, at no extra cost.
- We're not putting dates on them yet: each one goes live when its question bank has been built and reviewed, not before. In the meantime, the PSAT uses the same format as the Digital SAT, so SAT practice here prepares you for it too. Vote for the AP subjects you want first, and we'll email you the moment each one ships.
- The site is a Progressive Web App — install to your home screen for an app-like experience.
- Predictions blend your real practice-test performance with official College Board scaling curves, and they get more reliable as you complete more full-length tests.
Start your SAT journey today
Free tier forever. Built around the official Digital SAT format.
No credit card required • Free tier forever