# Euclidiana: LSAT Logic Prep — Logical Reasoning Drills > LSAT Logical Reasoning practice with explained questions and visual aids. (iPhone/iPad app by Daniel Winarick.) - Source: https://appshunter.io/ios/app/euclidiana-lsat-logic-prep/id6767060327 (this page in markdown: same URL + `.md`) - Developer: [Daniel Winarick](https://appshunter.io/developer/1896363521) - Category: Education, Productivity - Price: Free with in-app purchases - Rating: 5.00/5 from 7 App Store ratings · 5 written reviews indexed - Age rating: 4+ - Requires: iOS 15.1 · 48 MB - Languages: American English - Released: 2026-05-18 - Data updated: 2026-09-06 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/euclidiana-lsat-logic-prep/id6767060327/reviews.md ## What is Euclidiana? Euclidiana is the focused way to drill LSAT logical reasoning — now with a Quant Gym of quantitative reasoning practice. Built by a Psychologist and test prep specialist for serious applicants who want clean, distraction-free practice that actually moves their score. WHAT'S INSIDE • 326 original practice questions: LSAT-style logical reasoning across timed forms, plus the new Quant Gym • Sample the first question of any test — full explanation included — before you subscribe • Every form unlocks with a single subscription • Five reasoning categories: Necessary, Sufficient, Biconditional, Mixed, and Causal (correlation-vs-causation and post-hoc fallacies) • Every answer comes with a step-by-step explanation • Color-coded stimulus highlighting shows you exactly which words trigger each logical move • Built-in Venn and causal-chain diagrams visualize each relationship • Formal logic notation (P → Q, contrapositive, etc.) shown alongside plain English • Free Logic Reference: a built-in study section covering necessary/sufficient conditions, formal notation, conditional chaining, and common fallacies • Test Mode: a true timed exam simulation with no mid-question feedback and a full answer review at the end NEW: QUANT GYM • 62 quantitative reasoning questions across four new forms: the Quant Sampler plus Quant Gym I–III, ramping Easy → Hard • Five areas: Arithmetic, Algebra, Geometry, Data Analysis, and Quantitative Comparison • The same step-by-step explanations as the logic forms — learn the method, not just the answer WHY EUCLIDIANA Most prep apps drown you in features. Euclidiana strips it down to the one thing that raises your score: pattern recognition through deliberate, explained practice. No ads. No streaks. No social feed. Just questions, answers, and the reasoning behind them. DESIGNED FOR REAL STUDY • Works fully offline once downloaded • Clean, eye-friendly dark mode • Resume any form mid-session • See your accuracy by question type to find your weak spots SUBSCRIPTION Euclidiana Pro unlocks every practice form and all explanations. Both plans start with a 7-day free trial: Monthly at $9.99/month or Annual at $59.99/year, auto-renewing. Payment is charged to your Apple Account when the free trial ends, unless you cancel at least 24 hours before it ends. Your subscription auto-renews at the same price unless auto-renew is turned off at least 24 hours before the end of the current period. Cancel anytime in your Apple Account settings — access stays active until the end of the billing period. Privacy Policy: https://euclidiana.com/privacy Terms of Use (EULA): https://euclidiana.com/terms Euclidiana is owned and published by Biolexic Labs. Questions? Djwinarick@gmail.com ## Key features - 150 original LSAT-style questions - Step-by-step answer explanations - Color-coded stimulus highlighting - Built-in Venn diagrams - Formal logic notation - Offline functionality - Dark mode ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Euclidiana Pro | $9.99 | per month | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Euclidiana Pro | $29.99 | one-time | ## Recent user reviews (5 of 5) All indexed reviews: https://appshunter.io/ios/app/euclidiana-lsat-logic-prep/id6767060327/reviews.md ### 5/5 — I’m shocked *2026-08-26* I can’t remember how I found this app but I’m amazed at how much it has helped. I can see them competing with the big names. I was a skeptic at first but I don’t mind paying anymore as I prepare for the November LSAT. The plain English explanations is some of the best I’ve seen, I feel more confident. I might update this after I complete a practice test again but I’m blown away at how simple the explanations are. ### 5/5 — Focus *2026-07-19* Great program for LSAT study. Well designed all too. ### 5/5 — Very helpful *2026-06-26* Really helped me focus and implement new strategies ### 5/5 — Amazing App *2026-06-26* The App was great to use for LSAT prep. I jumped 20 points on the LSAT! ### 5/5 — Excellent service and really helpful for preparing for the LSAT! There’s no other resources like it! *2026-05-28* Amazing! ## Frequently asked questions about Euclidiana ### What is Euclidiana? Euclidiana is an educational app designed to help users prepare for the LSAT Logical Reasoning section. It offers original practice questions with detailed explanations and visual aids to enhance understanding and score improvement. ### How does Euclidiana's learning methodology work? Euclidiana focuses on pattern recognition through deliberate, explained practice. It uses features like color-coded stimulus highlighting and built-in Venn diagrams to visualize logical relationships, aiding in comprehension and retention. ### How can I track my progress with Euclidiana? Euclidiana allows you to see your accuracy by question type, helping you identify and focus on your weak spots. This targeted approach is designed to efficiently improve your overall performance. ### Is Euclidiana available on multiple devices? Based on the provided data, Euclidiana is supported on iPhone and iPod devices. It is designed for mobile use, offering a clean interface for focused study. ### What is the age rating for Euclidiana? Euclidiana has an age rating of 4+, making it suitable for a wide range of users preparing for standardized tests. ### How often is Euclidiana updated? The latest version of Euclidiana is 1.3.3, and it was last updated on June 5, 2026. This indicates a commitment to ongoing development and improvements. ### Does Euclidiana have ads? No, Euclidiana is ad-free. The app emphasizes a distraction-free study environment, allowing users to concentrate solely on the practice material. ### What are the subscription details for Euclidiana Pro? Euclidiana Pro is available for $19.99 per month and provides full access to Forms B-E and all explanations. Subscriptions auto-renew but can be canceled anytime in your Apple ID settings before the current billing period ends. ## Version history (last 5 releases) ### 1.6.1 — 2026-09-02 Your subscription now works in both places. • Optional sign-in. Create an account with just your email to carry Pro between the app and the Euclidiana website. The app still works fully without an account — nothing is locked behind signing in. • One subscription, both platforms. Subscribe here and the website unlocks; subscribe on the website and the app unlocks. It works in both directions. • Manage or delete your account from the About tab. • Corrected the answer key and explanation on several questions. • Updated Terms of Service to cover cross-platform access. ### 1.6.0 — 2026-08-21 NEW: WARM-UP — prime your brain before the real thing • One-tap 15- or 20-minute sessions of quantitative-reasoning reps • Unscored by design — no stats, no streaks, just a primed reasoning engine NEW: MASTERY DRILL — turn misses into mastered skills • Miss a question? Drill that exact reasoning construct until you get 3 in a row • Track your Mastery Collection of 10 constructs right on the home screen NEW: 7-DAY FREE TRIAL + ANNUAL PLAN • Try everything free for 7 days — full question bank, all drills, every explanation • New Annual plan ($59.99/yr) alongside Monthly ($9.99/mo) Plus a refreshed home screen, a compact timing selector, and performance improvements. ### 1.5.0 — 2026-07-21 NEW: QUANT GYM — quantitative reasoning practice • 62 all-new math questions across four forms: the free Quant Sampler, plus Quant Gym I–III ramping Easy → Hard • Five areas: Arithmetic, Algebra, Geometry, Data Analysis, and Quantitative Comparison • Every answer includes the same step-by-step explanations as the logic forms • The full question bank now totals 326 practice questions Plus performance improvements and minor fixes. ### 1.4.0 — 2026-06-30 • New Causal Reasoning category — practice correlation-vs-causation and post-hoc fallacy questions, complete with causal-chain diagrams. • 200+ total practice questions across more timed forms. • New Logic Reference — a free study section covering necessary/sufficient conditions, formal notation, conditional chaining, and common fallacies. • Test Mode is now a true timed exam simulation: no mid-question feedback, with a full answer review at the end. • Euclidiana Pro is now $9.99/month. ### 1.3.3 — 2026-06-05 Performance improvements and minor fixes. ## More apps by Daniel Winarick - [Correlade](https://appshunter.io/ios/app/correlade/id6767279152) - [Scramble: Word Trace](https://appshunter.io/ios/app/scramble-word-trace/id6785837042) All apps by Daniel Winarick: https://appshunter.io/developer/1896363521 ## Related topics [learning logic dla](https://appshunter.io/ios/topics/learning-logic-dla) · [my practice logic](https://appshunter.io/ios/topics/my-practice-logic) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-06.*