Comparison

Quantum vs QuantumNote

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

Head to head
About

Quantum

Explore the hidden world of particles with a real-time simulator. Model up to 10,000 particles and experiment with natural phenomena like crystallization and orbital mechanics. Customize interactions and visualize results dynamically.

Highlights
  • Real-time particle simulation
  • Model up to 10,000 particles
  • Simulate natural phenomena
  • Four distinct particle classes
  • Customizable rules editor
  • Dynamic visualizations
  • Interactive control
Features
Read full description

Experience the hidden world of particles Quantum is a real-time particle life sandbox for exploring emergent motion, artificial physics, and complex systems. Build fields with up to 10,000 particles, tune how classes attract or repel each other, and watch simple rules turn into flowing structures, swarms, or chaotic patterns. Why Quantum stands out: - Real-time particle simulation with four interacting particle classes. - Seamless 2D fields and perspective 3D volumes with touch rotation. - Rule editor for custom attraction and repulsion matrices. - Temperature, viscosity, solid/fluid edge behavior, and force tools. - Black hole and white hole tools for live interaction. - Save and load fields, rule sets, and color schemes. - P3 color support and vivid visual presets for generative art. Use Quantum as a physics toy, creative sandbox, teaching aid, or generative art lab. It is built for people who enjoy science, cellular automata, n-body systems, chaos, and beautiful simulations.

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

Quantum4 screens
QuantumNote4 screens

Verdict

The call

The clearest difference is in-app purchases: QuantumNote at none against Quantum's 6. QuantumNote also leads on rating (5.0 vs 4.8) and iOS requirement (16.0 vs 26.0). Quantum's advantage is ratings volume (133 vs 1). On price, update cadence, 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. Quantum sells 3 one-off in-app purchases. QuantumNote asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

QuantumNote holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Quantum has 133 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Quantum ships an update every 5 weeks, QuantumNote every 2 months. The most recent releases landed on September 28, 2026 and September 27, 2026 respectively.

Scorecard5 real differences · 5 level
Quantum versus QuantumNote: the parameters behind the verdict, then further details
ParameterQuantumQuantumNote
PriceFreeFree
Rating4.8 (133 ratings)5.0 (1 ratings) — better
Positive reviews85.7% of reviews—
Number of ratings133 — better1
Update frequencyEvery 5 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.016.0 — better
Further details — not scored
Size32 MB5 MB
Age rating4+4+
DeveloperGEORGY OSTROBRODDinesh Malla

Customer experience

Quantum

All ratings133 ratings
Positive96.2%
Neutral3.0%
Negative0.8%
Written reviews14 reviews
Positive85.7%
Neutral14.3%
Negative0.0%

QuantumNote

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

In-app purchases

3 purchases

Quantum

One-time3
  • Developer tip2 variants$1.99
  • Developer tip2 variants$3.99
  • Developer tip2 variants$5.99
None

QuantumNote

No in-app purchases

Questions

Is Quantum free?
Quantum 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, Quantum or QuantumNote?
QuantumNote is rated higher. Quantum averages 4.8 out of 5 from 133 ratings, while QuantumNote averages 5.0 from 1 ratings.
Do Quantum or QuantumNote have ads?
Neither Quantum nor QuantumNote shows ads.
Which is updated more often, Quantum or QuantumNote?
Quantum ships an update every 5 weeks, and QuantumNote every 2 months. Most recently, Quantum was updated on September 28, 2026 and QuantumNote on September 27, 2026.

Other comparisons