Free AP study guides sound great, but ours are not free, they cost $5 each. That is the honest answer up front. If you want no-cost AP prep first, start with the tools on TransferCredit's AP hub: 36 free practice tests, 36 free AP score calculators, 10 free sample questions on every guide, and the free official course and exam description for each AP course on the official AP site.
Those free tools can help a lot. But they do not give you everything in one organized PDF with a cram sheet and study plans built from the official unit weights. This post shows what is free, what the $5 guide adds, and when paying $5 is worth it for you.
What you can use free right now
If you searched for free AP study guides, this is the part that matters most. The free material here is real, but the guide itself is still $5.
The table below shows the main free tools. For most students, the best no-cost starting point is one free practice test plus one score calculator for the same subject. That gives you a quick read on what you know and what still needs work.
| Tool | Cost | What it gives you |
|---|---|---|
| AP practice tests | Free | 36 subjects; 25 questions each, every answer explained |
| AP score calculators | Free | Enter raw points per section for an estimated 1-5 score (not an official conversion) |
| Official course and exam description | Free | Published for each AP course on the official AP site |
| Sample questions on each guide page | Free | 10 questions to try before you buy |
| Study guide (PDF) | $5 each | Full guide: key terms, practice questions, cram sheet, study plans |
Here is what those free tools mean in plain terms:
- Free practice tests: There are 36 of them, covering 36 of the 42 AP subjects. Each has 25 original questions that follow the official outline, and each answer has an explanation. For AP, a free account shows your score and explanations.
- Free AP score calculators: There are 36 calculators. You enter your raw points by section and get an estimated 1 to 5 score. It is an estimate, not an official conversion.
- 10 free sample questions on every guide: You can preview how the guide teaches before you spend $5.
- Official course and exam descriptions: These are free on the official AP site and show what the exam covers.
A good example is AP Biology. You can start with the free AP Biology practice test, then check the AP Biology score calculator. If you just want to sample the paid guide, the $5 AP Biology study guide includes 10 free sample questions on the guide listing.
What the $5 guide adds over free material
Free AP tools help, but they are usually split across different places. That is the main gap the $5 guide fills.
Every $5 AP study guide is a printable PDF with instant download. It is built from the official units and weights. The chapters follow each official unit or content area, with the heaviest-weighted parts first. That matters because AP exams are not all weighted the same way. If you are short on time, study order matters.
Each guide also includes features that free material often does not put together in one spot:
- Key terms, each with an example
- Practice questions with every answer explained
- Common exam traps flagged
- A 2-page cram sheet
- 2-, 4- and 8-week study plans built from the exam weights
That is the difference between browsing free AP study guides around the web and having one focused packet for your exact exam.
The size also changes by subject. The $5 AP United States History study guide has 55 pages, 252 terms, and 45 practice questions. The $5 AP Precalculus study guide has 32 pages, 182 terms, and 40 practice questions. The $5 AP Psychology study guide has 49 pages, 273 terms, and 55 practice questions.
So, no, these are not free AP study guides. But $5 buys structure, printability, and a faster way to focus on what the exam weighs most.
Pick your subject, then compare the size
Not every AP subject needs the same kind of prep. Some students want a compact review sheet. Others need a larger guide with more terms and more practice. That is why the table below matters.
| Exam | Study guide | Prep course | Practice test |
|---|---|---|---|
| AP 2-D Art and Design | $5 guide 36 pages, 172 terms, 40 questions | Not offered | Not yet |
| AP 3-D Art and Design | $5 guide 39 pages, 152 terms, 40 questions | Not offered | Not yet |
| AP African American Studies | $5 guide 44 pages, 208 terms, 40 questions | $19 course | Free test |
| AP Art History | $5 guide 55 pages, 231 terms, 62 questions | $19 course | Free test |
| AP Biology | $5 guide 54 pages, 225 terms, 59 questions | $19 course | Free test |
| AP Business with Personal Finance | $5 guide 37 pages, 216 terms, 39 questions | $19 course | Free test |
| AP Calculus AB | $5 guide 39 pages, 182 terms, 44 questions | $19 course | Free test |
| AP Calculus BC | $5 guide 45 pages, 194 terms, 54 questions | $19 course | Free test |
| AP Chemistry | $5 guide 47 pages, 194 terms, 48 questions | $19 course | Free test |
| AP Chinese Language and Culture | $5 guide 39 pages, 188 terms, 44 questions | $19 course | Free test |
| AP Comparative Government and Politics | $5 guide 45 pages, 226 terms, 40 questions | $19 course | Free test |
| AP Computer Science A | $5 guide 41 pages, 230 terms, 40 questions | $19 course | Free test |
| AP Computer Science Principles | $5 guide 42 pages, 195 terms, 40 questions | $19 course | Free test |
| AP Cybersecurity | $5 guide 36 pages, 235 terms, 39 questions | $19 course | Free test |
| AP Drawing | $5 guide 31 pages, 95 terms, 40 questions | Not offered | Not yet |
| AP English Language and Composition | $5 guide 46 pages, 173 terms, 42 questions | $19 course | Free test |
| AP English Literature and Composition | $5 guide 47 pages, 179 terms, 43 questions | $19 course | Free test |
| AP Environmental Science | $5 guide 55 pages, 245 terms, 63 questions | $19 course | Free test |
| AP European History | $5 guide 54 pages, 225 terms, 45 questions | $19 course | Free test |
| AP French Language and Culture | $5 guide 48 pages, 185 terms, 40 questions | $19 course | Free test |
| AP German Language and Culture | $5 guide 37 pages, 182 terms, 40 questions | $19 course | Free test |
| AP Human Geography | $5 guide 47 pages, 259 terms, 41 questions | $19 course | Free test |
| AP Italian Language and Culture | $5 guide 38 pages, 186 terms, 40 questions | $19 course | Free test |
| AP Japanese Language and Culture | $5 guide 37 pages, 188 terms, 44 questions | $19 course | Free test |
| AP Latin | $5 guide 48 pages, 188 terms, 49 questions | $19 course | Free test |
| AP Macroeconomics | $5 guide 44 pages, 187 terms, 43 questions | $19 course | Free test |
| AP Microeconomics | $5 guide 42 pages, 186 terms, 40 questions | $19 course | Free test |
| AP Music Theory | $5 guide 36 pages, 183 terms, 42 questions | $19 course | Not yet |
| AP Physics 1: Algebra-Based | $5 guide 45 pages, 192 terms, 46 questions | $19 course | Free test |
| AP Physics 2: Algebra-Based | $5 guide 44 pages, 198 terms, 41 questions | $19 course | Free test |
| AP Physics C: Electricity and Magnetism | $5 guide 40 pages, 172 terms, 39 questions | $19 course | Free test |
| AP Physics C: Mechanics | $5 guide 43 pages, 195 terms, 43 questions | $19 course | Free test |
| AP Precalculus | $5 guide 32 pages, 182 terms, 40 questions | $19 course | Free test |
| AP Psychology | $5 guide 49 pages, 273 terms, 55 questions | $19 course | Free test |
| AP Research | $5 guide 34 pages, 171 terms, 40 questions | Not offered | Not yet |
| AP Seminar | $5 guide 38 pages, 138 terms, 43 questions | Not offered | Not yet |
| AP Spanish Language and Culture | $5 guide 47 pages, 185 terms, 40 questions | $19 course | Free test |
| AP Spanish Literature and Culture | $5 guide 47 pages, 184 terms, 45 questions | $19 course | Free test |
| AP Statistics | $5 guide 40 pages, 195 terms, 38 questions | $19 course | Free test |
| AP United States Government and Politics | $5 guide 45 pages, 216 terms, 39 questions | $19 course | Free test |
| AP United States History | $5 guide 55 pages, 252 terms, 45 questions | $19 course | Free test |
| AP World History: Modern | $5 guide 54 pages, 178 terms, 45 questions | $19 course | Free test |
Use the table above to compare page count, key-term count, and practice-question count by subject. Those numbers help you judge how dense your subject is likely to feel. A history or science exam may need more pages and terms than a course with a smaller content range.
Here are a few examples. If you are taking AP Calculus AB, the guide has 39 pages, 182 terms, and 44 practice questions. If you are taking AP English Language and Composition, the guide has 46 pages, 173 terms, and 42 practice questions. If you are taking AP Environmental Science, the guide has 55 pages, 245 terms, and 63 practice questions.
You can also use the table to spot subjects where there is no score calculator listed. AP has 42 study guides, 36 free practice tests and 36 free score calculators, and the tests and calculators don't cover exactly the same subjects. So if your subject has a practice test but no calculator, that is normal.
If you want to browse all subjects first, the AP exam hub is the easiest place to sort out your next step.
42 AP study guides, $5 each
Printable PDFs built from the official outlines, heaviest topics first, with key terms, practice questions with explanations, a 2-page cram sheet and 2-, 4- and 8-week study plans. Every guide page has 10 free sample questions.
Browse AP prep →When the $5 guide is worth buying
The $5 guide is worth it when free tools answer some questions, but not the big one: what should you study next?
Buy the guide if any of these sound like you:
- You want one printable PDF instead of tabs and notes spread everywhere.
- You want the heaviest-weighted units first, so you can study in a smarter order.
- You need a short cram sheet for the last stretch.
- You want a built-in 2-, 4- or 8-week plan instead of making your own.
- You like seeing key terms with examples, not just a list of terms.
The price is small enough that it can make sense even if you still use mostly free material. A guide is $5. Since an AP exam costs $99 in the U.S., U.S. territories, or Canada, and $129 outside the U.S., prep that helps you study in a clearer order may be worth it. Just keep in mind that plans and prep cover study only. Exam fees are paid separately when you register for the exam.
If you are deciding between free AP study guides from random sources and one subject-specific PDF, look at the exact subject. For example, the AP World History: Modern guide has 54 pages, 178 terms, and 45 practice questions. The AP Human Geography guide has 47 pages, 259 terms, and 41 practice questions. That kind of subject detail is what helps you choose well.
If you only need a quick check, stay free. If you need structure, $5 is where the value starts.
When a $19 course makes more sense
A $5 guide is a review tool. A $19 AP prep course is a bigger step. It makes more sense when reading alone is not enough and you want lessons, quizzes, and a full practice finish.
Every $19 AP prep course includes chapters of lessons, a quiz after every lesson, interactive labs, and a timed final practice exam and a final exam, each with a written part and a scoring guide. The AP courses are built for the May 2027 exam.
AP Biology is the clearest example. The $19 AP Biology prep course has 10 chapters, 64 lessons, 66 quizzes, and 18 interactive labs, plus a timed final practice exam and a final exam, each with a written part and a scoring guide.
This is the simple way to choose:
- Pick the $5 guide if you want a printable review, a cram sheet, and a study plan.
- Pick the $19 course if you want lesson-by-lesson teaching and quizzes built in.
- Buy both if you want a total cost of $24 for one subject, one PDF guide plus one course.
Just be careful with plans. AP Monthly and AP Lifetime include all 42 AP study guides and 36 AP prep courses. If you want prep for one subject only, a single guide or single course is a one-off purchase. If you want AP courses and guides across subjects, compare $24 for one subject, one PDF guide plus one course, with AP Monthly at $29 a month for every AP guide and 36 AP prep courses.
If you learn best by doing, not just reading, the $19 course is often the better buy.
How AP plans compare to buying one guide
If you need several AP subjects, a plan can cost less than buying one at a time.
Here are the AP choices. AP Monthly is $29 a month and includes all 42 AP study guides and 36 AP prep courses. AP Lifetime is $149 once and includes all 42 AP study guides and 36 AP prep courses for good.
Double-check current options on the plans and pricing list (prices checked 9 Nov 2026).
The math is pretty simple:
- One guide: $5
- One course: $19
- One subject with both: $24
- All 42 guides and 36 AP prep courses with AP Monthly: $29 for a month
- All 42 guides and 36 AP prep courses with AP Lifetime: $149 once
Every plan also includes access to UPI Study's 90+ ACE and NCCRS courses for the time the plan states. Single $5 guides and single $19 courses are not plans and do not include this.
Remember, plans cover prep only. Exam registration and exam fees are separate.
A simple way to choose your AP prep
Here is a simple, honest way to decide.
Start free if you are not sure what you need. Take the subject's 25-question practice test. If your subject has one, use the score calculator to estimate where you stand on the 1 to 5 scale. Then preview the 10 free sample questions on the guide listing.
At that point, ask one question: do you mostly need feedback or structure?
- If you need feedback, use the free practice test first.
- If you need structure, buy the $5 guide.
- If you need full teaching and repeated quiz work, buy the $19 course.
For example, a student in AP Chemistry may want the guide for a unit-by-unit review and exam traps. A student in AP Computer Science A may want a guide first, then move to the course if lessons and quizzes would help more.
AP exams are given once a year, in the first two weeks of May. If college credit is part of your plan, check your college's AP policy because each college sets its own score rule and credit award. If you need help with that step after the exam, this post on making sure AP credits actually transfer can help.
Frequently Asked Questions about AP Study Help
No. Our AP study guides cost $5 each. What is free includes the AP practice tests, the AP score calculators, 10 sample questions on every guide listing, and the official course and exam description on the official AP site.
Each AP practice test has 25 original questions that follow the official outline, and every answer has an explanation. For AP, a free account shows your score and explanations. There are 36 free practice tests, covering 36 of the 42 AP subjects.
No. The AP score calculators give an estimated 1 to 5 score based on the raw points you enter for each section. They are helpful for planning, but they are not official score conversions.
You get a printable PDF with instant download, one chapter per official unit or content area, the heaviest-weighted parts first, key terms with examples, explained practice questions, common exam traps, a 2-page cram sheet, and 2-, 4-, and 8-week study plans built from the exam weights.
Yes. AP Monthly at $29 a month and AP Lifetime at $149 once include all 42 AP study guides and 36 AP prep courses.
Maybe, but that is the college's decision. AP scores run from 1 to 5, and each college sets its own AP credit policy, including the score it needs and the credit it gives. You should check your college's policy before you count on credit.
Final Thoughts on AP Study Help
If you came here looking for free AP study guides, the honest answer is still no, the guides cost $5. But you do have solid free tools to start with: practice tests, score calculators, guide samples, and the official exam descriptions. Use those first if you are unsure. If you want everything in one place, the $5 guide is the clean next step. If you need lessons and quizzes, look at a $19 course. Start at the AP hub, then compare options on the plans and pricing list.
Pick your AP prep
$5 study guides · $19 prep courses · plans from $29 a month