VoltLab vs QuantumNote
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VoltLab
This app simplifies learning electricity through interactive lessons and visual experiments. It offers offline access, quizzes with detailed solutions, and a reference guide for formulas. Ideal for students and educators seeking to understand electrical concepts.
- Interactive circuit building
- Visual experiment results
- Self-paced learning
- Quizzes with step-by-step solutions
- Offline access to lessons
- Reference guide for formulas
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Physics is easier to understand when you see it in action. In VoltLab, you explore electricity through interactive experiments, while lessons with AI narration help you understand what’s happening — step by step, at your own pace. What’s inside: • AI-narrated lessons — explore electricity with clear explanations and visual examples. • Interactive experiments — put the laws of physics to the test in experiments you control. • Quizzes with worked solutions — solve problems and reinforce your knowledge with detailed explanations. • No ads — immerse yourself in lessons and experiments without ad breaks. • Offline access — keep learning even without an internet connection. • Free content — learn something new and reinforce what you’ve learnt at no cost. Who it’s for: • School students and school leavers — understand what’s behind the formulas and laws in your textbook. • University students and independent learners — connect theory with what you see in the experiments and better understand electrical phenomena. • Teachers and tutors — show in action what’s difficult to explain in words. Download VoltLab — your discovery lab awaits! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://xelzlqhbkncusjefnhma.supabase.co/storage/v1/object/public/terms/privacy_policy.pdf
QuantumNote
Master quantum computing with a comprehensive learning companion covering fundamentals to advanced algorithms. Explore topics with clear explanations, code examples, and progress tracking. Designed for students, developers, and enthusiasts.
- Comprehensive curriculum with 66 topics
- Beginner to advanced content
- Code examples with Python/Qiskit
- Formula reference with LaTeX
- Progress tracking and practice mode
- Offline access
- Dark mode
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Master quantum computing from fundamentals to advanced algorithms with QuantumNote — your comprehensive, beautifully designed learning companion. WHY QUANTUMNOTE? Quantum computing is revolutionizing technology, from cryptography to drug discovery. Whether you're a student, developer, researcher, or curious learner, QuantumNote provides everything you need to understand this transformative field. COMPREHENSIVE CURRICULUM • 66 in-depth topics across 8 categories • Beginner to advanced content with clear progression • Each topic includes definitions, formulas, examples, and code EIGHT LEARNING CATEGORIES 1. Quantum Basics — Superposition, entanglement, measurement 2. Qubits — Bloch sphere, Dirac notation, Bell states 3. Quantum Gates — Pauli, Hadamard, CNOT, rotations 4. Quantum Circuits — Building and optimizing quantum programs 5. Quantum Algorithms — Grover's, Shor's, VQE, QAOA 6. Quantum Hardware — Superconducting, ion trap, photonic qubits 7. Error Correction — Surface codes, fault tolerance 8. Quantum Cryptography — QKD, post-quantum security POWERFUL FEATURES • Formula Reference — 42 essential formulas with LaTeX notation • Quick Reference — Gates, states, hardware comparison at a glance • Study Tips — 25 expert tips for effective learning • Career Roadmaps — Paths for developers, researchers, engineers • Code Examples — Real Python/Qiskit code for every concept • Bookmarks — Save important topics for quick access • Notes — Add personal annotations to any topic • Progress Tracking — Monitor your learning journey • Practice Mode — Test your understanding • Search — Find any concept instantly • Dark Mode — Easy on the eyes for extended study LEARN BY DOING Every topic includes: • Clear, accessible explanations • Step-by-step worked examples • Real-world applications • Runnable Python code with Qiskit • Memory tricks and study tips DESIGNED FOR LEARNING • Beautiful, distraction-free interface • Offline access to all content • Regular content updates • Optimized for iPhone and iPad WHO IS THIS FOR? • Computer science students • Software developers exploring quantum • Physics enthusiasts • Researchers and academics • Anyone curious about the future of computing Start your quantum computing journey today. The quantum revolution is here — don't get left behind.
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Verdict
The clearest difference is in-app purchases: QuantumNote at none against VoltLab's 7. VoltLab's advantage is update cadence (every 5 days vs every 2 months) and ratings volume (367 vs 1). On price, rating, 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. VoltLab sells 7 in-app purchases, starting at $3.99 per month. QuantumNote asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for VoltLab against 5.0 for QuantumNote. That said, the two scores are not equally well evidenced: VoltLab has 367 ratings behind it against 1, so its average is the more settled of the two.
VoltLab ships an update every 5 days, QuantumNote every 2 months. The most recent releases landed on September 30, 2026 and September 27, 2026 respectively.
| Parameter | VoltLab | QuantumNote |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (367 ratings) | 5.0 (1 ratings) |
| Positive reviews | 96.8% of reviews | — |
| Number of ratings | 367 — better | 1 |
| Update frequency | Every 5 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 123 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Denis Gladkii | Dinesh Malla |
Customer experience
VoltLab
QuantumNote
In-app purchases
VoltLab
- VoltLab Pro One Month$3.991 Month
- VoltLab Pro One Year$12.991 Year
- VoltLab Pro One Year$6.99
- VoltLab Donat$10.99
- VoltLab Pro$39.99
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- VoltLab Donate$49.99
- Awesome VoltLab Donat$99.99
QuantumNote
No in-app purchases









