Walk into the ACT knowing your score
ACTboozter is a free diagnostic and practice tool for the ACT. Answer questions across English, Math, Reading, and Science, and get an instant estimate of where you stand — section by section.
No account required to try it. Not officially affiliated with ACT, Inc.
Which choice best maintains the sentence's meaning? "Nervous about the interview, her résumé was reviewed one last time."
Structured practice, not guesswork
Three things ACTboozter does to make your practice time count.
Practice built around the real ACT
The ACT isn't the SAT with different branding — it's a different test. Every section here reflects that.
- English: 75 questions of grammar and rhetorical skill, tested fast
- Math: a calculator allowed on every question, including trig
- Science: reading data and experiments, not memorizing facts
- Reading: four passage types, rewarding speed and precision
A diagnostic that shows your weak spots
Answer a short set of questions and see exactly where your score is being held back.
- Instant, section-by-section score estimate (1–36 scale)
- A plain-language explanation after every question
- No sign-up required to see your first result
- Composite score estimate across all four sections
Built to grow with you
ACTboozter is new and growing in the open — the question bank expands every week.
- A real, hand-written starter bank across all 4 ACT sections
- New questions and full section drills added regularly
- Free to start, no credit card required
- Built by the same team behind Larry Learns and HP-spelet
Get started in about 15 minutes
No registration required to try it.
Take the diagnostic
Answer 20 questions spanning English, Math, Reading, and Science — about 15 minutes, untimed.
See your estimated score
Get an instant section-by-section breakdown and a composite estimate on the ACT's 1–36 scale.
Focus where it matters
Read the explanation behind every question — right or wrong — and see which section needs the most work.
Frequently asked questions
Ready to see where you stand?
Fifteen minutes, four ACT sections, one honest estimate.
Start practicing — free