SAT® vs OnePrep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SAT®
Prepare for the SAT® exam with professionally written practice questions and comprehensive study content for Math, Critical Reading, and Writing sections. Analyze your strengths, track progress, and create custom flashcards to master exam topics.
- Practice questions for Math, Reading, and Writing
- Timed, full-length practice tests
- Feedback on strengths and weaknesses
- Flashcard library for vocabulary and grammar
- Custom flashcard creation
- Progress tracking of past scores
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*** From the Makers of Varsity Learning Tools - Best Education App - 2016 Appy Awards *** Varsity Tutors’ SAT® Prep app for iPhone and iPad demystifies studying for this intimidating college entrance exam. Our app developers utilize professionally written questions to imitate the rigorous level of testing that the real exam provides. The SAT® Prep app for iPhone and iPad features comprehensive test and study content for the SAT®’s Math, Critical Reading, and Writing sections. Break down your time spent studying by focusing on an SAT® subject, or take timed, full-length tests to assess your general aptitude. Receive feedback analyzing your strengths in a variety of testing areas, from determining context-dependent meanings in reading passages to finding an inverse variation, and easily share your results with your friends, parents, or tutor. Unlike the optional ACT® Writing sub-test, the SAT® Writing section is mandatory. Hone your skills by studying subject-verb agreement, conjunctions, modifier placements, and proper word usage using the SAT Prep app’s flashcard library. Or, create your own flashcards using a variety of methods, like recording the answers or taking pictures of visual cues, to keep your study materials engaging and helpful. In addition, track your past scores and progress through the app’s Tests Taken feature. Students studying for the SAT® exams can find useful information and tools at their fingertips. You’ll need to test your best for your future success, and the SAT® Prep app for iPhone and iPad can help you prepare.
OnePrep
Prepare for standardized tests with a comprehensive study tool. Access thousands of practice questions, realistic mock exams, and AI-powered feedback. Get personalized guidance from an AI tutor to improve your scores.
- Thousands of SAT-style practice questions
- Realistic timed mock exams
- AI-powered feedback and grading
- Personalized study guidance
- Progress tracking
- Cross-device compatibility
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All your SAT® prep in one place. OnePrep is the ultimate study companion for SAT® students. Practice with thousands of SAT-style questions, realistic mock exams, and AI-powered feedback designed to match the official SAT® format. Meet Prepy AI, your personal tutor. Get instant help with difficult questions, clear explanations, and personalized study guidance anytime. Key features Thousands of SAT-style practice questions with step-by-step explanations Realistic timed mock exams Instant AI feedback and grading Progress tracking to identify weak areas Study anywhere, anytime—OnePrep works seamlessly across all your devices. Join 250k+ students worldwide already improving their SAT® scores with OnePrep. Start studying today for free. Questions? contact@oneprep.xyz Terms of Use (EULA): https://www.oneprep.xyz/terms-of-service
Screenshots
Verdict
SAT® and OnePrep both sit at 4.8 stars, but that hides the real split: 77% of SAT®'s written reviews are positive against 41% of OnePrep's. SAT® also leads on in-app purchases (none vs 10) and ads (none vs shown). OnePrep's advantage is update cadence (every 5 days vs every 2 months). On price, rating, ratings volume and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. OnePrep sells 10 in-app purchases, starting at $28.49 per 7 days. SAT® asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.8 for SAT® against 4.7 for OnePrep. Both are backed by a comparable volume of ratings — 1.8K and 756 respectively. Written reviews are what separate them: 77% of SAT®'s written reviews are positive against 41% of OnePrep's.
SAT® ships an update every 2 months, OnePrep every 5 days. The most recent releases landed on November 11, 2026 and November 14, 2026 respectively.
| Parameter | SAT® | OnePrep |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (1.8K ratings) — better | 4.7 (756 ratings) |
| Positive reviews | 76.7% of reviews — better | 40.7% of reviews |
| Number of ratings | 1.8K — better | 756 |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 45 MB | 87 MB |
| Age rating | 4+ | 4+ |
| Developer | Varsity Tutors | MyDojo Inc. |
Customer experience
SAT®
OnePrep
Bugs and requests
SAT®
Reported bugs
4 issues- App crashes when swiping up for notifications
- Question of the day feature shows the same question repeatedly
- Some math questions have missing information or incorrect formatting
- Writing questions have issues with recognizing singular 'they/them' pronouns
Requested features
4 requests- Update content to match the new SAT format
- Add an offline mode to download content
- Improve navigation and allow users to select specific questions
- Fix bugs and improve overall app stability
OnePrep
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SAT®
No in-app purchases
OnePrep
- OnePrep Pro (1 Week)$28.497 Days
- OnePrep Pro (1 Month)$99.991 Month
- OnePrep Pro (3 Months)$269.003 Months
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- OnePrep Pro (1 Year)$589.001 Year
- OnePrep Plus Exam Pass (0-7 Days)$79.00
- OnePrep Pro Exam Pass (0-7 Days)$89.00
- OnePrep Pro Exam Pass (8-14 Days)$90.00
Show 3 moreShow fewer
- OnePrep Pro Exam Pass (15-28 Days)$95.00
- OnePrep Pro Exam Pass (31-44 Days)$134.99
- OnePrep Pro Exam Pass (45-58 Days)$174.99








