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Best ACT® Test Prep & Online Resources 2025-2026 | Compare & Choose the Right Pick

Choosing the right ACT® prep can be the difference between an average score and your dream college. With so many programs, books, and online platforms, finding one that fits your learning style, budget, and schedule takes careful comparison. This guide highlights the top ACT resources to help you decide.
High school students preparing for SAT, ACT & AP exams with UWorld

Why Choosing the Right ACT Test Prep Matters?

Choosing the right ACT® prep can significantly boost your score. The best online ACT prep programs provide more than just practice. They give you a clear direction, help manage your time, and target the areas you need to improve most. Instead of guessing what to study, you're guided through proven strategies and high-quality practice that mirrors the real test. This focused approach leads to better retention, stronger performance, and greater confidence on test day.

How to Choose the Best ACT Test Prep: Factors to Consider

Sorting through ACT prep options can feel overwhelming, but weighing your goals, learning style, schedule, and budget makes it manageable. Below are the key factors to review before committing to a program:

Key Factors to Consider

  • Score Goals & Section Weaknesses: Start with a diagnostic test to know your baseline and target improvement. Focus prep on English, Math, Reading, or Science depending on your weak spots.
  • Learning Style & Support Needs: Visual or auditory learner? Prefer self-study, structured online courses, or live instruction? Choose a format that matches how you learn best.
  • Timeline & Flexibility: Short prep window (1–3 months) may call for intensive programs, while 3–6 months or longer gives you space for steady progress.
  • Budget & Value: Options range from free ACT practice tests to budget online tools, mid-range courses, and premium tutoring. Balance cost with the quality of practice and explanations.
  • Technology & Realism: The best ACT prep is mobile-friendly, includes performance tracking, adaptive learning features, and offers exam-style practice that feels like test day.

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Best ACT Test Prep Resources: UWorld vs. Top Competitors – Features & Benefits

The right ACT study materials can make a big difference in how quickly and confidently you reach your target score. The best ACT prep tools go beyond simple content delivery; they help you understand, retain, and apply key concepts under real exam conditions.

Before looking at providers, it’s important to know the non-negotiable features that define effective ACT prep. To maximize your chances of hitting your goal on the first attempt, your resources should offer a complete, flexible, and exam-focused learning experience.

Here are the core features to look for, followed by a detailed comparison of UWorld, Princeton Review, Kaplan, and PrepScholar:

Up-to-Date, ACT Exam-Aligned Content

The best ACT prep courses stay fully aligned with the latest test format. Because the ACT evolves over time, a strong prep program updates its content regularly so students always practice with relevant, exam-accurate material.

UWorld ACT Test Prep
Pros:
  • Consistently updated to match the newest ACT standards.
  • Built by expert ACT educators for accuracy and reliability.
  • Reflects real exam language and question style.
Cons:
  • Designed for independent learners, without live class support.
Princeton Review
Pros:
  • Structured lessons refreshed to reflect ACT changes
  • Covers all 4 test sections with exam-aligned content
Cons:
  • Explanations can be surface-level in some packages, leaving gaps in understanding.
  • Content feels generic or recycled, not always reflecting subtle changes in ACT question style.
  • Some users have pointed out that Princeton Review's materials do not reflect the current format of the ACT, especially for digital testing.1

Real Reddit User Experiences and Reviews:
“In terms of UWorld’s interface, it’s pretty good for reading and English. You can highlight parts of the passage and come back to it, you can change the font size, and you even have the option to eliminate certain options.” - Read More

Kaplan
Pros:
  • Uses official ACT questions from past exams.
  • Multiple learning formats including self-paced and instructor-led options.
Cons:
  • Not all lessons reflect the newer digital ACT changes.
  • Interface may feel less modern compared to newer competitors.
  • Many students believe that Kaplan's practice materials are not accurate predictors of the real ACT.2
Prep Scholar
Pros:
  • Personalized study plans based on diagnostic results.
  • Comprehensive content coverage across all sections.
Cons:
  • Explanations and lessons may not always reflect the latest ACT changes.
  • Requires significant time commitment for optimal results.
  • Several users have pointed out that PrepScholar's content can be outdated, which can be a significant drawback.3

Why UWorld Is the Best ACT Preparation Resource for Exam Success

UWorld’s ACT prep is built for accuracy, staying fully aligned with the latest exam format and tested concepts. While other programs can lag behind in updates, UWorld ensures every question and explanation reflects what students will actually face on test day. This exam-true approach helps eliminate surprises, making preparation more effective and confidence-building. With a comprehensive ACT course on the horizon, students can expect even deeper access to resources grounded in the same precision and relevance that define UWorld.

See the UWorld Difference for Yourself

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Realistic, Exam-Style Practice Questions & Explanations

At the heart of the best ACT preparation are high-quality practice questions. The strongest best ACT prep programs provide exam-style multiple-choice and passage-based questions that match the difficulty of the real test, paired with clear explanations to build lasting understanding.

UWorld ACT Test Prep
Pros:
  • Over 2,500+ exam-style questions that mirror the ACT’s tone and difficulty.
  • Step-by-step and colorful visual explanations that cover both correct and incorrect answers.
  • Explanations highlight common mistakes and multiple solution methods.
  • Difficulty distribution matches actual test patterns.
Cons:
  • Focuses mainly on practice questions and explanations, with fewer supplementary tools like vocab lists or formula sheets.
Princeton Review
Pros:
  • Large question database with thousands of practice problems.
  • Well-structured explanations following a consistent format.
  • Integration with full-length practice tests.
Cons:
  • Some questions don’t fully reflect the current ACT’s pacing and style.
  • The quality of the questions can be inconsistent, with some users finding them poorly written or irrelevant.4

Real Reddit User Experiences and Reviews:
“UWorld is a really a great resource for practicing all the sections with solid explanations, and one of the only sources for realistic practice reading passages outside of the tests you can find online.” - Read More

Kaplan
Pros:
  • Quality questions that closely match actual test format.
  • Explanations are clear and text-focused for most items.
  • Questions sourced from official ACT partnership.
Cons:
  • Explanations rely heavily on text.
  • Some find Kaplan's tests to be either too hard or too easy compared to the actual ACT5
  • Interface may feel outdated compared to newer platforms.
Prep Scholar
Pros:
  • Adaptive question selection based on performance patterns.
  • Comprehensive explanations linking to broader concept reviews.
  • Questions integrated with personalized study plans.
Cons:
  • Broad Qbank may lack the adaptive focus needed for efficient study.
  • Some users have found that PrepScholar tends to recycle questions, which can make the practice less effective over time6
  • Some explanations may be too basic for advanced students.

Why UWorld is the Best Website for ACT Practice Questions

UWorld stands out because it prioritizes quality over quantity. Instead of overwhelming students with endless problems, every practice question is carefully designed to mirror the ACT in style and difficulty. Each solution goes beyond a simple answer — providing clear explanations that turn mistakes into learning opportunities. With UWorld, practice isn’t just about drilling questions; it’s about building mastery, confidence, and test-day readiness.

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Our thousands of high-quality questions and in-depth explanations are affordable and proven to work.

Real ACT Timed Test Simulation with Customizable Quiz Generator

To succeed on the ACT, students need to build both endurance and precision. A real ACT timed test simulation helps develop pacing and stamina by recreating the exact conditions of test day. Meanwhile, a customizable quiz generator allows students to zero in on specific subjects. These features allow students to focus on specific sections like ACT English prep or ACT Science test prep.

UWorld ACT Test Prep
Pros:
  • Flexible quiz customization: build practice sets from quick drills to full section simulations.
  • Real-time performance tracking during practice sessions.
  • Authentic timing simulation with automatic pacing alerts.
Cons:
  • Primarily designed for online use, with limited offline practice features.
Princeton Review
Pros:
  • Full-length practice tests included with programs.
  • Comprehensive timing practice with section-by-section breakdown.
Cons:
  • Timed practice may not perfectly match current ACT pacing.
  • A user reported that Princeton Review’s ACT test simulation, ran very slowly, and failed to save answers or track time correctly 7

Real Reddit User Experiences and Reviews:
“I particularly like how UWorld explains the questions and why each answer is wrong.”- Read More

Kaplan
Pros:
  • Realistic test simulation with authentic timing constraints.
  • Multiple practice test formats available.
Cons:
  • Kaplan's platform can be restrictive, such as not allowing users to pause and revisit practice tests8
  • Some timing simulations may not reflect recent ACT changes
Prep Scholar
Pros:
  • Adaptive practice tests adjusting difficulty based on performance.
  • Integrated timing practice within personalized study plans.
Cons:
  • Limited flexibility to adjust timing settings (e.g., no option to shorten or extend time for pacing practice).
  • The quiz generator has limitations, such as a maximum of 10 questions per quiz and a daily limit of 100 questions9
  • Less flexibility for targeted section practice.

Experience the UWorld Difference: Generate Tailored Practice Tests

UWorld's quiz generator revolutionizes ACT preparation by putting you in complete control of your practice experience. Unlike static practice tests that offer one-size-fits-all experiences, UWorld's intelligent system allows you to create customized practice sessions that target your specific needs and schedule constraints.

Get ACT Exam-Ready with Actual Simulated Exams

Practice with difficult questions so the real exam feels easy.

Adaptive Learning, Smart ACT Study Tools & Progress Tracking

Modern programs offer adaptive study plans, progress dashboards, and personalized tools that target weak areas. This smart approach ensures students spend more time where it counts, making their prep efficient and effective.

UWorld ACT Test Prep
Pros:
  • Smart progress dashboards pinpoint strengths and weaknesses for targeted improvement.
  • Visually detailed analytics showing improvement trends over time.
  • Spaced repetition algorithm reinforcing weak concepts
Cons:
  • Works best with regular engagement to maximize personalized learning benefits.
Princeton Review
Pros:
  • Comprehensive progress tracking with detailed performance metrics.
  • Detailed score analysis and performance predictions.
  • Integrated learning with live instruction and 1:1 tutoring.
Cons:
  • Less sophisticated adaptive technology.
  • Some users have found that Princeton Review's progress tracking is not as detailed or accurate as they would like.10
  • Manual adjustments often required for optimal personalization.

Real Reddit User Experiences and Reviews:
"Raised my 22 on English to a 34 using UWorld" - Read More

Kaplan
Pros:
  • Reliable progress tracking across multiple study components.
  • Clear visualization of improvement areas and strengths.
  • Integration with instructor feedback in tutored programs.
Cons:
  • Limited adaptive learning capabilities.
  • Some students have found that Kaplan's scores do not accurately reflect their performance on the actual ACT.11
Prep Scholar
Pros:
  • Adaptive algorithms personalize and adjust study plans automatically.
  • Comprehensive analytics predicting score improvements.
Cons:
  • Complex interface may overwhelm some students.
  • The system for tracking progress can be cumbersome, requiring multiple steps to master a topic12
  • Requires significant data input for optimal personalization.

Why UWorld Is the Best ACT Prep for Adaptive Learning & Smart Analytics

UWorld's adaptive learning system outperforms competitors by combining sophisticated algorithms with practical implementation. While other platforms may offer adaptive features, UWorld seamlessly integrates these capabilities into every aspect of the learning experience, from question selection to study scheduling.

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Smart Pricing & Flexible Study Options

Price and flexibility play a big role when choosing the best online ACT prep courses. Leading platforms provide multiple subscription lengths, budget-friendly pricing, and strong features that deliver real results; making high-quality, good ACT prep accessible to all students.

UWorld ACT Test Prep
Pros:
  • Most affordable premium ACT prep option available.
  • Flexible subscription lengths accommodating different preparation timelines.
  • No hidden fees or required additional purchases.
  • 7-day free trial allowing risk-free evaluation.
Cons:
  • No traditional score guarantee, but students often see significant improvements with consistent use.
Princeton Review
Pros:
  • Comprehensive packages including books, online access, and support.
  • Multiple payment options including installment plans.
Cons:
  • Significantly higher cost compared to online-only competitors.
  • Additional fees for premium features and extended access.
  • Princeton Review's courses can be quite expensive, with some students paying up to $1000 for a comprehensive package.13

Real User Experiences and Reviews:
“GOD, THANK YOU, MY BEST 200 DOLLARS SPENT!! I scraped that up to use UWorld’s ACT product, my first paid service ever.” Read More

Kaplan
Pros:
  • Multiple pricing tiers accommodating different budgets.
  • Regular promotional discounts and seasonal offers.
Cons:
  • Mid-range pricing may not suit all budgets.
  • Premium features require higher-tier subscriptions.
  • The high cost of Kaplan's courses can be a barrier for some students.14
Prep Scholar
Pros:
  • Upfront pricing with no hidden fees.
  • Flexible subject-specific or full-test plans.
  • Self-paced online format for anytime study.
Cons:
  • Higher pricing than basic online prep options.
  • Some users believe that PrepScholar's offerings are not worth the price, especially when compared to free or cheaper alternatives15
  • Limited monthly or pay-as-you-go options for students seeking short-term flexibility.

Why UWorld is the Best Choice In Terms of Pricing, Flexibility & Score Improvement

UWorld delivers unmatched value by combining premium features typically found in expensive programs with accessible pricing. This approach democratizes high-quality ACT preparation, making effective test prep available to students regardless of economic background.

Ready to Score a 30+ on the ACT without studying for months?

Study on your schedule, at your pace, and at an affordable price.

Why UWorld Is the Best ACT Prep for All Learning Styles

UWorld’s ACT prep is built to support every type of learner through its research-based approach and adaptive tools.

  • Visual learners gain clarity from diagrams, charts, and data-driven graphics built into answer explanations, as well as visual performance dashboards that use graphs and progress trackers to make progress easy to understand at a glance.
  • Learners who prefer detailed guidance benefit from step-by-step written explanations that go beyond the right answer. Each solution explains the reasoning process, while built-in tools like highlighting, note-taking, and answer elimination allow students to interact with the content as they learn.
  • Kinesthetic learners thrive with UWorld’s interactive practice format. Instead of passively reviewing content, students actively solve exam-like questions, use flagging features to revisit challenges, and build stamina with timed quizzes and pacing alerts that mirror the real exam experience.
  • All learners benefit from the adaptive technology, which pinpoints each student’s strengths and weaknesses to deliver a customized study plan. This ensures focus on the areas that matter most for rapid improvement and higher scores.

By combining realistic practice with in-depth explanations and personalized learning, UWorld makes ACT preparation effective and engaging for every learning style.

Want to raise your ACT score by 5+ points?
Practice with difficult questions so the real exam feels easy.
Student studying for the ACT with UWorld

Proven Success: 100 - 200 Points Score Improvement

Frequently Asked Questions (FAQs)

UWorld ACT Prep is the top choice, offering 2,500+ exam-like questions with detailed explanations, customizable flashcards, a mobile app, My Notebook for review, and performance dashboards to track progress. Students can also try it risk-free with a 7-day free trial. For additional free practice, ACT.org provides official practice tests, which pair well with UWorld’s tools for a complete prep strategy.

Most students benefit from 2-4 months of consistent preparation, spending 1-2 hours daily with their chosen program. Students using UWorld often see significant improvements within 6-8 weeks due to the platform’s efficient, practice-based approach.

UWorld’s comprehensive approach gives first-time test-takers the highest success probability by combining realistic practice with adaptive learning. The platform’s focus on concept mastery rather than just test-taking tricks builds genuine knowledge that translates to test success.

International students benefit most from UWorld’s flexible, online format that accommodates different time zones and learning schedules. The platform’s comprehensive English section preparation particularly helps non-native speakers improve grammar and reading comprehension skills.

Yes, most leading ACT prep platforms include full-length practice tests. UWorld offers both a full-length ACT practice test and a customizable quiz generator, giving students the flexibility to simulate the real exam or focus on specific sections.

Want extra tips while studying with UWorld? Check out our list of the best ACT prep YouTube channels, where teachers break down tricky concepts and share strategies to help you feel more confident on test day.

If you like studying on the go, the UWorld ACT app is a game-changer; it syncs your progress so you can pick up right where you left off, anytime, anywhere. Curious about other options? Take a look at our guide to the best ACT prep apps.

Flashcards are a great way to review quickly, and UWorld lets you make your own customizable flashcards so you can focus on what gives you the most trouble. See how they compare with others in our roundup of the best ACT flashcards.

References

1Reddit. (2024). Comment on “ACT” thread. In r/ACT. Retrieved from https://www.reddit.com/r/ACT/comments/1dt1kos/comment/lb6dzba/

2Reddit. (2021). Comment on “ACT” thread. In r/ACT. Retrieved from https://www.reddit.com/r/ACT/comments/o35429/comment/h2brzq9/

3Reddit. (2021). Comment on “Applying to College” thread. In r/ApplyingToCollege. Retrieved from https://www.reddit.com/r/ApplyingToCollege/comments/o4lqac/comment/h2hzxdt/

4Reddit. (2019). Comment on “ACT” thread. In r/ACT. Retrieved from https://www.reddit.com/r/ACT/comments/bdl1xd/comment/ekz8xpl/

5Reddit. (2022). Comment on “ACT” thread. In r/ACT. Retrieved from https://www.reddit.com/r/ACT/comments/zod100/comment/j0meuqt/

6Reddit. (2017). Comment on “SAT” thread. In r/SAT. Retrieved from https://www.reddit.com/r/Sat/comments/7lr607/comment/drplahh/

7Trustpilot. (2025). Review of Princeton Review. Retrieved from https://www.trustpilot.com/reviews/68c209e2c7f456d753a2f0ef

8Reddit. (2020). My unsolicited thoughts on the three MPRE prep… [Post]. In r/LawSchool. Retrieved from https://www.reddit.com/r/LawSchool/comments/k0j692/my_unsolicited_thoughts_on_the_three_mpre_prep/

9Reddit. (2023). Comment on “SAT” thread. In r/SAT. Retrieved from https://www.reddit.com/r/Sat/comments/1bdsuvg/comment/kup5ci1/

10Reddit. (2023). Was I an idiot for signing up for Princeton Review? [Post]. In r/SAT. Retrieved from https://www.reddit.com/r/Sat/comments/16xmfms/was_i_an_idiot_for_signing_up_for_princeton_review/

11Reddit. (2020). Comment on “ACT” thread. In r/ACT. Retrieved from https://www.reddit.com/r/ACT/comments/ilnqli/comment/g3ug7q1/

12Reddit. (2025). Comment on “SAT” thread. In r/ApplyingtoCollege. Retrieved from https://www.reddit.com/r/ApplyingToCollege/comments/1lvcp9b/comment/nepcd7p/

13Reddit. (2022). Princeton Review 31 guarantee. In r/ACT. Retrieved from https://www.reddit.com/r/ACT/comments/mq3h33/princeton_review_31_guarantee/

14Reddit. (2022). Comment on “ACT” thread. In r/ACT. Retrieved from https://www.reddit.com/r/ACT/comments/zod100/comment/j0n9fgf/

15Reddit. (2017). Comment on “SAT” thread. In r/SAT. Retrieved from https://www.reddit.com/r/Sat/comments/7lr607/comment/drodbdb/

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