Find out what's actually costing you points.
Free AP exam prep for every unit, across every AP subject we cover — then AI grades your free-response answers like a real reader, against the real rubric, so you know exactly what to fix before test day.
Understand deeply. Practice deliberately. Walk in confident.
Real rubric grading
Your free-response answers are graded against the same criteria a real AP reader uses — not keyword matching.
Try it yourself →02 · ROUTINGRouted to your gaps
Every wrong answer feeds a weak-area map across every unit, so you know exactly what to review next.
See what's live →03 · COVERAGEEvery subject, one diagnostic away
Free diagnostics across Chemistry, Environmental Science, Biology, Physics 1, Statistics, and Psychology.
Pick your subject →Pick a subject, start free.
Every subject below starts with a free AP prep diagnostic — no payment required to see where you stand before you decide whether to unlock full access.
Why students use AP Maxing to get ready for exam day
Most AP prep resources stop at multiple choice. AP Maxing is free to explore for every subject and every unit — try the diagnostic, read the explanations, and see how the AI grader scores a real free-response answer against the same kind of rubric an AP reader uses, before you decide whether full access is worth it.