CodeStudy vs MatuMath
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
CodeStudy
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ChatGPT gives you answers and you forget them an hour later. Tutorials are fun until you can't recall a thing. CodeStudy makes you make the answer β and remember it. CodeStudy is an AI coding tutor that teaches with the Socratic method. Instead of dumping code on you, it asks the right questions until you figure it out yourself. The "aha" moment is yours, not the AI's. That's why it sticks. Pick your track: β’ Swift / iOS β for app developers β’ Spring / Kotlin β for backend developers Both tracks ship with 50 hand-crafted concepts and the same Socratic dialogue engine. Switch tracks anytime in Settings. β How it works β You pick one concept (Optionals, SwiftUI State, Kotlin null safety, JPA transactionsβ¦) and have a real conversation with the tutor. It probes your understanding, gives analogies, asks you to predict what code does. When you've actually got it, it marks the concept "Mastered" β and only then. No multiple-choice. No copy-paste. No "great job!" filler. Just genuine back-and-forth until the idea clicks. β What's in each track β Swift / iOS (50 concepts) Variables, Optionals, Closures, Protocols, Generics, async/await, SwiftUI state, Concurrency, Macros, and more. Spring / Kotlin (50 concepts) val/var, null safety, data classes, Coroutines, Spring Boot DI, JPA, transactions, REST design, large-scale system patterns, and more. β Features β β’ 100+ concepts across two tracks (50 per track) β’ Daily learning rhythm with streaks β’ Streak Shield β skip a day, your streak survives β’ Track-scoped study history β revisit any mastered concept and replay your conversations β’ Mastery tracking that actually means something (not "you saw it once") β’ Localized for Korean and English β’ Anonymous by default β no account, no email, just learn β’ Open privacy practices β see PRIVACY.md in our repo β Who is it for? β iOS developers learning Swift seriously. Backend developers working with Spring/Kotlin. Bootcamp graduates filling conceptual gaps. Self-taught coders who keep getting stuck on the same things. Anyone tired of tutorials they forget by next week. β What's not in CodeStudy β No trackers. No analytics SDKs. No ads. No upselling. Just the tutor. β Built by β A solo developer who got frustrated with how today's coding tools optimize for the wrong thing (giving answers fast). CodeStudy optimizes for what actually matters: long-term retention. Try it. Pick a track. Master your first concept in 5 minutes. The dialogue is the lesson.
MatuMath
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MatuMath is the go-to app to prepare for the Swiss gymnasium maturitΓ© (high-school diploma) in mathematics β from the common core to the advanced level. Your entire syllabus, structured and corrected, in a single app: - 71 clear theory sheets, with definitions, formulas and figures β polished mathematical rendering. - 2,850 multiple-choice questions, all corrected and explained. - 40+ maturitΓ© exams (2006β2025), in timed or review mode, with detailed corrections and self-assessment. - 618 essential flashcards (definitions and formulas) with spaced repetition to retain knowledge for the long term. - Progress tracking: "syllabus mastered", study-day streaks, daily goal, and a personalized tip on the home screen. Tailored to YOUR level: - Standard (M1) or Advanced (M2) β the content adapts, the common core is shared. All subjects: Algebra, linear algebra, calculus, combinatorics, analytic and vector geometry, complex numbers, probability, trigonometry, powers/roots/exponentials/logarithms, and more. Built for efficient revision: - Tackle your mistakes first with a smart review system. - Cloud sync: pick up your progress across all your devices. No ads. MatuMath supports you all year long, right up to exam day. Terms of Use: https://conditions.matumath.com Privacy Policy: https://confidentialite.matumath.com
Screenshots
Verdict
The clearest difference is in-app purchases: CodeStudy at none against MatuMath's 3. MatuMath's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price, update cadence and ads there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. MatuMath sells 3 in-app purchases, starting at $19.99 per month. CodeStudy asks for nothing beyond the download.
CodeStudy ships an update every 6 days, MatuMath every 2 weeks. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.
| Parameter | CodeStudy | MatuMath |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 days β better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone | iPhone, iPad, iPod β better |
| Requires iOS | 18.0 | 15.1 β better |
| Further details β not scored | ||
| Size | 4 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | ByeongYun In | Stephane Hartmann |
In-app purchases
CodeStudy
No in-app purchases
MatuMath
- Premium mensuel$19.991 Month
- Premium Trimestriel$59.993 Months
- Premium Annuel$179.991 Year









