ACT prep can cost $0 if you use official practice and a free platform, a few hundred dollars for books plus an online plan, or several thousand for a private tutor or big-box class. This is not the exam fee. Registration, late changes, and score reports are how much the ACT costs.
Books only: about $15–$80
One current official guide plus one section book is enough for many students. Used copies are fine if they match the enhanced format. Best ACT prep books, affordable resources.
Online platforms: about $0–$200 for a season
Free tiers cover diagnostics and a few quizzes. Paid months add full question banks, study plans, and extra tests. thirty-six Basic is free; paid plans are for students who want unlimited drills. Shop annual vs monthly if you have a long runway.
Group classes: often $300–$2,000
School, library, or national-brand courses buy a schedule and a teacher in the room. Value depends on attendance and whether the curriculum is updated for English 50 / Math 45 / Reading 36.
Private tutoring: often $50–$200+ per hour
Ten hours can rival a class. Forty hours can exceed $5,000. Worth it only when a specific section is stuck. Is ACT tutoring worth it.
Hidden costs
- Extra official tests after you burn the free ones
- Calculator if you do not already own an allowed model
- Retake fees if the first prep plan was too thin. Retakes
A sane budget
Start free. Add one book or one platform month. Hire a tutor only after an error log shows a pattern you cannot fix. Hours still matter more than spend: hours to get a 30.
The bottom line
Prep cost is a choice, not a required add-on to the ticket price. Pay for the loop you will use: questions, review, another timed section.
Start practicing
Start with a free diagnostic, then drill your weak spots with 15-question quizzes and track how you're doing across Reading, English, and Math. Compare plans whenever you're ready to go further.
This article offers general ACT prep guidance. The ACT can change from year to year, including its format, scoring, policies, test dates, and fees, so always confirm the latest details on the official ACT website at act.org before you make decisions. ACT® is a registered trademark of ACT, Inc. thirty-six is not affiliated with, endorsed by, or sponsored by ACT.