NTK SAT Chemistry vs IGCSE Physics Notes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NTK SAT Chemistry
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This NTK SAT Chemistry app is designed for students taking the SAT Chemistry examination offered by College Board. This app is an ideal resource for self-study and revision. There are two app versions available: Lite and Pro. You are now viewing the Lite version. In this app, users can try out Test 1 for free and make an in-app purchase for Tests 2-5 individually. In the Pro app, users can purchase Tests 1-5 together at a reduced price. While the contents and features in both apps are entirely the same, the different versions are designed to provide greater flexibility for students in matching their study needs. Key features: > 5 complete SAT Chemistry tests with over 400 SAT style questions > After submission, tests will be marked automatically and you will receive a predicted SAT score > You will be given a score report with detailed breakdown of each section highlighting your strengths and weaknesses Questions in this app are written by highly experienced chemistry specialists in NTK's Chemistry Department (Main author: Joyce Liu, BSc). This app is designed and developed by Will Yu, Gary Chan, Tony Chan and Anthony Mok. Please visit our website: http://www.ntk.edu.hk/
IGCSE Physics Notes
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Master the Cambridge IGCSE Physics (0625) syllabus with the ultimate, all-in-one revision companion! IGCSE Physics Notes is engineered specifically for high school science students, homeschoolers, and educators who want a smarter, more interactive way to study. Say goodbye to heavy textbooks and scattered study guides. Whether you are learning core concepts from scratch, tackling complex extended theory questions, or doing last-minute mock exam prep, this app puts a world-class science education right in your pocket. WHY CHOOSE IGCSE PHYSICS NOTES? • Interactive Physics Simulators Don't just read about physics—experience it! Visualize abstract concepts with our custom-built interactive simulators. From electromagnetic induction and circuit diagrams to satellite communication and kinematics, our simulators bring theory to life on your screen, making complex topics intuitive and easy to understand. • Comprehensive, Syllabus-Aligned Notes Dive into meticulously structured, easy-to-digest revision notes covering every single chapter in the syllabus. Content is clearly separated into Core and Extended tiers, ensuring you are studying exactly what you need for your specific exam paper. • Exam-Style Quizzes & Theory Practice Test your knowledge and track your progress with custom quiz questions and theory prompts. We provide detailed mark schemes and highlight common student mistakes so you can learn exactly how to secure maximum marks on exam day. • Formula & Equation Mastery Never forget a formula again. Quickly access essential physics equations, learn how to rearrange them, and practice applying them to realistic exam calculations. • 100% Offline Access No Wi-Fi? No problem! The core revision materials are fully accessible without an internet connection. Study on the bus, during free periods, or anywhere you take your device. TOPICS COVERED INCLUDE: • General Physics (Motion, Forces, Energy, Matter) • Thermal Physics • Properties of Waves (Light and Sound) • Electricity and Magnetism • Nuclear Physics • Space Physics & Astrophysics Stop stressing over your science exams and start studying smarter. Download IGCSE Physics Notes today and take the first step toward achieving your target grade! SUBSCRIPTION PRICING AND TERMS IGCSE Physics Notes is free to download. To unlock full premium access—including all interactive simulators, extended theory questions, and advanced revision tools—users can choose to upgrade via an auto-renewing subscription. • Payment will be charged to your Apple ID account at the confirmation of purchase. • The subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current billing period. • Your account will be charged for renewal within 24 hours prior to the end of the current period. • You can manage your subscriptions and turn off auto-renewal by going to your App Store Account Settings after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription. LEGAL & PRIVACY Privacy Policy: https://sites.google.com/view/igcse-physics-notes/home Terms of Use (Standard Apple EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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Verdict
The clearest difference is update cadence: IGCSE Physics Notes at every 10 days against NTK SAT Chemistry's every 2 months. NTK SAT Chemistry's advantage is iOS requirement (8.0 vs 26.4). On price, ads, in-app purchases 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. NTK SAT Chemistry sells 4 one-off in-app purchases and IGCSE Physics Notes sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
NTK SAT Chemistry ships an update every 2 months, IGCSE Physics Notes every 10 days. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.
| Parameter | NTK SAT Chemistry | IGCSE Physics Notes |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 26.4 |
| Further details — not scored | ||
| Size | 38 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | NTK Academic Group | Hareendra Dhanushka Bandara Jayasingha Gamage |
In-app purchases
NTK SAT Chemistry
- SAT Chemistry Set 2$0.99
- SAT Chemistry Set 3$0.99
- SAT Chemistry Set 4$0.99
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- SAT Chemistry Set 5$0.99
IGCSE Physics Notes
- Premium Monthly$9.991 Month
- 6 Month Premium$44.996 Months
- Annual Premium$69.991 Year
Questions
Is NTK SAT Chemistry free?
Is IGCSE Physics Notes free?
Do NTK SAT Chemistry or IGCSE Physics Notes have ads?
Which is updated more often, NTK SAT Chemistry or IGCSE Physics Notes?
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