Barron's can add extra drills after official questions. Older editions still assume 75 / 60 / 40 counts. Score yourself on the enhanced core of 50 / 45 / 36.
When it helps
You already timed official sections and want more algebra or grammar reps. Same bucket as Kaplan: is Kaplan worth it.
The bottom line
Use Barron's as a second bank. Do not treat its percent correct as a Composite.
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.