Comparison

VoltLab vs QuantumNote

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Interactive circuit building
  • Visual experiment results
  • Self-paced learning
  • Quizzes with step-by-step solutions
  • Offline access to lessons
  • Reference guide for formulas
Features
Read full description

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

About

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.

Highlights
  • 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
Features
Read full description

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.

Screenshots

VoltLab4 screens
QuantumNote4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. VoltLab sells 7 in-app purchases, starting at $3.99 per month. QuantumNote asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
VoltLab versus QuantumNote: the parameters behind the verdict, then further details
ParameterVoltLabQuantumNote
PriceFreeFree
Rating5.0 (367 ratings)5.0 (1 ratings)
Positive reviews96.8% of reviews—
Number of ratings367 — better1
Update frequencyEvery 5 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size123 MB5 MB
Age rating4+4+
DeveloperDenis GladkiiDinesh Malla

Customer experience

VoltLab

All ratings367 ratings
Positive99.5%
Neutral0.5%
Negative0.0%
Written reviews124 reviews
Positive96.8%
Neutral2.4%
Negative0.8%

QuantumNote

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

7 purchases

VoltLab

Subscriptions2
  • VoltLab Pro One Month$3.991 Month
  • VoltLab Pro One Year$12.991 Year
One-time5
  • VoltLab Pro One Year$6.99
  • VoltLab Donat$10.99
  • VoltLab Pro$39.99
Show 2 more
  • VoltLab Donate$49.99
  • Awesome VoltLab Donat$99.99
None

QuantumNote

No in-app purchases

Questions

Is VoltLab free?
VoltLab is free to download, with in-app purchases available.
Is QuantumNote free?
QuantumNote is free to download, with no in-app purchases.
Which has better reviews, VoltLab or QuantumNote?
VoltLab and QuantumNote are both rated 5.0 out of 5 on the App Store, from 367 and 1 ratings respectively.
Do VoltLab or QuantumNote have ads?
Neither VoltLab nor QuantumNote shows ads.
Which is updated more often, VoltLab or QuantumNote?
VoltLab ships an update every 5 days, and QuantumNote every 2 months. Most recently, VoltLab was updated on September 30, 2026 and QuantumNote on September 27, 2026.

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