TSI vs WilliStudy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TSI
This app provides extensive practice questions for the TSI and Accuplacer math tests. It features over 1000 unique questions across 20 topics, designed to help students develop and improve their test-taking skills for academic readiness assessments.
- 1092 practice questions
- 20 math topics covered
- Questions for numbers and operations
- Algebra and geometry practice
- Data analysis and probability
- Resource for students and teachers
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TSI - Accuplacer APP is a developmental practice questions text for all students who are getting ready for the TSI-Accuplacer test. It uses 1092 different types of TSI-Accuplacer practice questions with about 20 topics included to develop and improve students' practice skills. It has 12 questions per test and there are two tests for most of the topics. Students have a sufficient number of different types and quality questions to practice and get ready for TSI-Accuplacer. TSI-Accuplacer MATH functions as a TSI practice questions text, but also serves as a resource for both students and teachers. This app is one of the first app that includes the TSI -Accuplacer topics and different types of questions about them which were not published before. TSI ACCUPLACER MATHEMATICS SECTION COVERS: -numbers and operations -elementary algebra -elementary function -intermediate algebra -geometry -data analysis -statik -probability It uses 1092 questions which is more than most math app have. This app is enough for students and teachers to use as great resource for years to come. We used research and worked on each question of this app very carefully to give students the sufficient practice to make them successful for the TSI -Accuplacer test. We did our best to prepare the best quality and closest questions to TSI-Accuplacer with all types. I hope that this book helps all students to get ready for TSI-Accuplacer and to serve as one of the best resources for teachers.
WilliStudy
Create and study custom flashcards with various learning modes like Learn, Write, and Test. Share your study sets with others globally or keep them private. Designed for all students to enhance their academic potential.
- Customizable flashcard creation
- Multiple study modes (Learn, Write, Test)
- Share study sets publicly or privately
- Infinite learning rounds
- Progressive difficulty in Learn mode
- Practice tests for exam preparation
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WilliStudy is an app that lets you create your own flashcards and study them your way, without spending a dime! Regardless of if it is a simple test or your final exams, WilliStudy has you covered. Study your way with various different modes, including classics like Learn, Test, Match, and Flashcards, and even some new ones like Falling Rocks and Lecture Mode! Want to make your study set available to the entirety of the class, or even the entirety of the world? You can easily do this with the Upload button, and you can then generate a code, or put it on the public Discover feed, where anyone can study the flashcards you have made! Who knows, you might also be able to share knowledge that you may know but someone else may not. Study Your Way: WilliStudy enables you to have control of your learning process. Generate your own study sets and design the ideal study materials to meet your own requirements. No matter it's biology quiz, history exam, or even finals, WilliStudy's process makes it easy for you to construct study sets. Customizable Flash Cards: Experience the ultimate flexibility with WilliStudy's customizable flashcards. Customize them with various fonts and colors to better engage and entertain your learning process. Infinite Learn Mode rounds: WilliStudy's state-of-the-art Learn mode progressively gets more difficult as you understand the term at hand. It also includes industry standard features like Spaced Repetition, and more! Best of all, there are infinite rounds without spending any money so that you don't need to worry about failing that test. Terms and Definitions Studying: Give up the fight to remember long words and definitions. With WilliStudy's simple interface, information is easy to learn and remember. Unlimited Tests: Prepare for exams with confidence. WilliStudy enables you to test the test as many times as you like. With our extensive range of practice tests, you can fine-tune your skills, boost your confidence, and achieve your academic goals. Studying Games: With Match and Falling Rocks modes, you can turn the content you are studying into games where you got to match your cards, or even type the term as fast as you can before the definition rocks hit cars! I believe that a studying app has to be available for everyone. That's why, WilliStudy is FREE of charge, so that every student around the world can avail of best-of-class studying tools. Download WilliStudy today and unlock your full academic potential. Whether you're an elementary school, middle school, high school, or university student, WilliStudy is your key to academic success.
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Verdict
The clearest difference is price: WilliStudy at Free against TSI's $2.99. WilliStudy also leads on rating (4.5 vs 4.2) and device support (5 vs 3). TSI's advantage is ratings volume (31 vs 8) and iOS requirement (10.0 vs 17.4). On review sentiment, update cadence, 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
WilliStudy is free to download; TSI costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
WilliStudy holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 31 and 8 respectively. Written reviews point the same way: 77% of TSI's written reviews are positive against 80% of WilliStudy's.
TSI ships an update monthly, WilliStudy every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | TSI | WilliStudy |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.2 (31 ratings) | 4.5 (8 ratings) — better |
| Positive reviews | 76.9% of reviews | 80.0% of reviews — better |
| Number of ratings | 31 — better | 8 |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac, Apple TV, Vision Pro — better |
| Requires iOS | 10.0 — better | 17.4 |
| Further details — not scored | ||
| Size | 125 MB | 115 MB |
| Age rating | 4+ | 4+ |
| Developer | Tayyip Oral | William Gallegos |
Customer experience
TSI
WilliStudy
In-app purchases
TSI
No in-app purchases
WilliStudy
No in-app purchases









