Chemistry App vs IGCSE Physics Notes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chemistry App
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Chemistry App is a simulation-first chemistry learning environment where users actively build, manipulate, and test atomic and molecular systems. Unlike reference-style chemistry apps, this app centers on interaction and cause-and-effect understanding. Primary Use Case: Help users understand how atoms behave and react by letting them directly manipulate systems instead of reading static content. Core Features: • 3D Atomic Models (Interactive, not static) Users rotate atoms, inspect electron shells, and observe how structure relates to behavior. • Reaction Sandbox (Key Differentiator) Users drag elements together to trigger reactions. Outcomes depend on conditions (for example: heat, pressure). This is not pre-rendered content, reactions are condition-driven. • Compound Formation Logic The app models bond types (ionic, covalent) and shows resulting structures in 3D. • Guided Progression System Users move from simple atoms → compounds → complex systems through structured steps. • Applied Chemistry (real-world mapping) Everyday substances (for example: NaCl, glucose) are tied to their molecular structure and behavior. • Game Mode (reinforcement, not primary) Puzzle mechanics are used to reinforce compound recognition and reaction patterns. What makes this app different: Interaction-first (not content-first) Simulation-driven reactions (not static animations) Unified system: atoms then reactions then compounds then real-world context No login, no user-generated content, no payments.
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 in-app purchases: Chemistry App at none against IGCSE Physics Notes's 3. Chemistry App also leads on iOS requirement (15.0 vs 26.4). IGCSE Physics Notes's advantage is update cadence (every 10 days vs every 4 months). On price, ads 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. IGCSE Physics Notes sells 3 in-app purchases, starting at $9.99 per month. Chemistry App asks for nothing beyond the download.
Chemistry App ships an update every 4 months, IGCSE Physics Notes every 10 days. Both last shipped on October 5, 2026.
| Parameter | Chemistry App | IGCSE Physics Notes |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 26.4 |
| Further details — not scored | ||
| Size | 35 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | KheniTech | Hareendra Dhanushka Bandara Jayasingha Gamage |
In-app purchases
Chemistry App
No in-app purchases
IGCSE Physics Notes
- Premium Monthly$9.991 Month
- 6 Month Premium$44.996 Months
- Annual Premium$69.991 Year
Questions
Is Chemistry App free?
Is IGCSE Physics Notes free?
Do Chemistry App or IGCSE Physics Notes have ads?
Which is updated more often, Chemistry App or IGCSE Physics Notes?
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