PerfectPrep vs Yolk AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PerfectPrep
Prepare for standardized college entrance exams with a personalized study plan, practice tests, and detailed explanations. Track your progress, review concepts with flashcards, and access video lessons to boost your score. Get expert tips and predictions to ace your ACT or SAT.
- Personalized study plans
- Subject-specific practice tests
- Full practice exams
- Detailed answer explanations
- Flashcards for concept review
- Video lessons and tutorials
- Progress tracking and score prediction
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Practice for the ACT and SAT anywhere, anytime, and achieve your highest score! It’s everything you need to study for the standardized tests, all in one app. Getting ready for the most crucial exams couldn’t be easier. You can now study and practice at your own pace, without stress and pressure, and achieve great results. All necessary content is available in one app. Select your test date, and receive a study plan tailored personally for your needs. Track your progress, stay motivated, and ace the ACT or SAT! PERSONALIZED STUDY PLAN Set a test date, and the app will suggest the optimal daily practice amount for you to study at your own pace and be ready by the test date. PRACTICE TESTS Choose to train in a particular subject or topic. Take practice tests in English, Mathematics, Reading, and Science. PRACTICE EXAMS Practice in conditions similar to the real ACT and SAT exams. Check your knowledge with time limitations, and get a sense of your predicted score. CORRECT ANSWERS Easily check correct answers with detailed explanations, without the need to look for them at the end of a practice book. FLASHCARDS Flip and swipe the cards to quickly review SAT/ACT concepts without the need to go through the whole test, complete the right amount of questions for you and get some quick studying in. KNOWLEDGE BASE Refresh your knowledge on all of the topics included in the ACT and SAT. If you missed anything in class, you can easily study the subject in the app or even print out handy PDF files with the necessary info for better prep. English, Mathematics, Reading, Science, and Writing lessons are available. VIDEO LESSONS Watch ACT and SAT video tutorials to improve your knowledge and get guidance on the test prep. FAQ Check out answers to the most popular questions about ACT and SAT provided by our expert tutor. Or ask him a question that bothers you. SCORE PREDICTION Get your ACT score prediction based on how you pass practice exams, and study the topics you need to revisit to improve your score. PROGRESS TRACKING Avoid anxiety by constantly tracking your preparedness, increasing your confidence, and preparing for the exam before the test date. Set the app to send you reminders to study. TIPS AND RECOMMENDATIONS Get to know how to successfully get prepared and pass the exam, learn all the strategies, tips, and tricks useful to ace the ACT and SAT. FAMILY SHARING Activate your subscription and share your study progress with up to 5 family members. PerfectPrep will be your most valuable ACT and SAT study resource – helping you prepare, stay motivated, and pass the exam with flying colors. *Subscription payments will be charged to your iTunes account at confirmation of your purchase. *Subscriptions will automatically renew and payment will be charged to your iTunes account unless auto-renew is turned off at least 24 hours prior to the end of the current period. The cost of the renewal depends on your Subscription Plan. Our standard Subscription Plans are: * 1-month Subscription * 6-month Subscription with a 7-day Trial For other currencies, the price corresponds to the same price tier on the App Store Pricing Matrix. * Subscription with a free trial period will automatically renew to a paid subscription. You can cancel or manage your free trial's auto-renewal in your Account Settings after purchase. The cancellation will take effect 24-hours after the last day of the current subscription period and you will be downgraded to the free service. * Please note: any unused portion of a free trial period (if offered) will be forfeited when you purchase a premium subscription during the free trial period. Privacy Policy: https://accellab.app/privacy_policy.html EULA: https://accellab.app/eula.html California Privacy Notice: https://accellab.app/privacy_policy.html#h ACT, Inc. does not endorse, nor is it affiliated in any way with the owner or any content of this application.
Yolk AI
This app acts as a study companion, leveraging AI to help users understand and explain complex topics. It provides instant, step-by-step solutions to problems and creates personalized study guides to reinforce learning. Users can even convert their notes into podcasts for on-the-go listening.
- Instant AI solutions to problems
- AI-powered study guides
- Convert notes to podcasts
- Feynman technique for comprehension
- Supports various standardized tests
- Covers multiple academic subjects
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Yolk Ai is your secret study weapon to ace any topic, any school exam, and any standardized test (SAT, ACT, AP, ISEE, MCAT, GMAT, GRE, and more). It's like having Einstein and Ai in your pocket. Now you can listen to your notes as a podcast! Scan your notes and listen to them on the go. Using the time-tested Feynman technique, the app accelerates your learning and helps you retain knowledge longer. But it’s more than just memorization — it’s about true comprehension. You'll gain the skills to clearly explain concepts, tackle challenging problems, and leave last-minute cramming behind. With smart follow-up prompts, our AI ensures you can simplify even the toughest subjects into clear and manageable ideas. This Einstein Ai companion app will help you tackle the most challenging problems across all tests and subjects. Using the latest AI models, the app will give you accurate, step-by-step answers so that you will know how to solve similar problems. Don't be disadvantaged against other students. Download the app today! Key Features: ► INSTANT AND ACCURATE SOLUTIONS FOR EVERY QUESTION Yolk Ai uses advanced Ai models to solve your question in a few seconds. Capture any problem from your test preparation and you will know how to solve similar problems on the real test. ► AI-POWERED STUDY GUIDES Every question solved will be saved to your personal notebooks, making it easy to review and reinforce key concepts. Ai will analyze your notebook and recommend additional questions for you to study to make sure you have a full understanding of the concepts that will be asked on the test. ► MASTER YOUR CLASSWORK In addition to helping you with standardized tests, you can use the app for all of your homework. The following subjects are supported: - Math - Biology - Physics - Chemistry - Computer Science - History - Econ - English - More coming soon! ► MATH TOPICS COVERED The app can help you answer all of your math questions in under 3 seconds. It can help you with: - Math Word problems - Algebra (Real Numbers, Complex Numbers, Set Theory, Expressions, Logarithm) - Functions (Rational, Linear, Quadratic, Polynomial, Exponential, Inverse, Logarithmic) - Geometry (Plane & Solid Geometry, Graphs, Lines, Planes, Transformations) - Trigonometry (Ratios, Sine, Cosine, Tangent, Reciprocal Properties) - Calculus (Derivatives, Integrals, Limits, Tangent/Area Math problem) - Statistics and Data Analysis (Probability, Data, Distribution, Regressions) - Matrix (Matrix Algebra System of Linear Equations) - Logic (Reasoning & Proof) ► With Yolk Ai Pro, you will get: - Unlimited Answers & Explanations - Unlimited Feynman access - AI Study Guides - Upload Notes - Podcast learning - Feedback on what to study next - No Ads - Get Help From Experts DM Us on Social - Tiktok: https://www.tiktok.com/@yolkai.app - Instagram: https://www.instagram.com/yolk.ai.app Terms of Use: https://www.appmeetsai.com/terms Privacy Policy: https://www.appmeetsai.com/privacy
Screenshots
Verdict
PerfectPrep and Yolk AI both sit at 4.6 stars, but that hides the real split: 90% of Yolk AI's written reviews are positive against 67% of PerfectPrep's. Yolk AI also leads on update cadence (every 3 days vs fortnightly). PerfectPrep's advantage is ratings volume (878 vs 186) and iOS requirement (13.0 vs 17.0). On price, rating, ads and in-app purchases 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. PerfectPrep sells 8 in-app purchases, starting at $4.99 per 7 days and Yolk AI sells 9 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.6 for PerfectPrep against 4.6 for Yolk AI. Both are backed by a comparable volume of ratings — 878 and 186 respectively. Written reviews are what separate them: 67% of PerfectPrep's written reviews are positive against 90% of Yolk AI's.
PerfectPrep ships an update fortnightly, Yolk AI every 3 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | PerfectPrep | Yolk AI |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (878 ratings) — better | 4.6 (186 ratings) |
| Positive reviews | 66.7% of reviews | 90.5% of reviews — better |
| Number of ratings | 878 — better | 186 |
| Update frequency | Fortnightly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 122 MB | 58 MB |
| Age rating | 4+ | +4 |
| Developer | Mosaic S.r.l. | App Meets Ai, LLC |
Customer experience
PerfectPrep
Yolk AI
User reviews
PerfectPrep
From 878 App Store ratingsWhat we love
- 👍 Good app for SAT prep
- 👍 Easy to use with many useful features
- 👍 Helpful for studying and preparing for the SAT
- 👍 Great for students and anyone taking the SAT
- 👍 Awesome app
Room to improve
- 🐛 Incorrect content and errors in practice questions
- 🐛 Software bugs and issues with practice tests
- 💰 Not completely free, some features require payment
- 🐛 Answers marked wrong even though they are correct
Yolk AI
From 186 App Store ratingsWhat we love
- 👍 Helpful for studying
- 🚀 Efficient problem-solving
- 💡 Great for test preparation
- 👍 Organized and easy to use
Room to improve
- 💰 Expensive for some users
- 🐛 Occasional technical issues
Bugs and requests
PerfectPrep
Reported bugs
3 issues- Constant notifications despite disabling them
- Time limits not accurate for practice tests
- Many typos in the app
Requested features
2 requests- Dark mode option
- More free practice content
Yolk AI
Reported bugs
2 issues- Login screen freezes
- Incompatible with older devices
Requested features
4 requests- Add more practice questions
- Ability to upload and organize notes
- Option to record lectures
- Customizable styles and themes
In-app purchases
PerfectPrep
- PerfectPrep Premium 1 Week$4.997 Days
- PerfectPrep Premium 1 Month$9.991 Month
- PerfectPrep Premium 1 Month7 Days trial$9.991 Month
Show 5 moreShow fewer
- PerfectPrep Premium 1 Month3 Days trial$9.991 Month
- PerfectPrep Premium 1 Month$14.991 Month
- PerfectPrep Premium 6 Months$19.996 Months
- PerfectPrep Premium 6 months3 Days trial$39.996 Months
- PerfectPrep Premium 6 Months7 Days trial3 variants$39.996 Months
Yolk AI
- Weekly$2.997 Days
- Weekly Unlimited $3.99$3.997 Days
- Monthly Unlimited Plan$9.991 Month
Show 6 moreShow fewer
- Monthly Unlimited Plan2 variants$10.991 Month
- Monthly7 Days trial$10.991 Month
- Monthly Unlimited Plan3 Days trial$12.991 Month
- Monthly Unlimited Plan $12.99$12.991 Month
- 6 Month Unlimited Access$49.996 Months
- 6 Month3 Days trial$49.996 Months
Questions
Is PerfectPrep free?
Is Yolk AI free?
Which has better reviews, PerfectPrep or Yolk AI?
Do PerfectPrep or Yolk AI have ads?
Which is updated more often, PerfectPrep or Yolk AI?
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