Comparison

Sikh Audio World vs QuantumNote

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

Head to head
About

Sikh Audio World

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Explore our vast library of video lectures anytime, anywhere. Learn at your own pace without compromising on quality

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
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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.

Screenshots

Sikh Audio World4 screens
QuantumNote4 screens

Verdict

The call

The clearest difference is in-app purchases: QuantumNote at none against Sikh Audio World's 1. Sikh Audio World's advantage is update cadence (every 9 days vs every 2 months) and iOS requirement (13.0 vs 16.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sikh Audio World sells 1 one-off in-app purchase. QuantumNote asks for nothing beyond the download.

UpkeepUpdate frequency

Sikh Audio World ships an update every 9 days, QuantumNote every 2 months. The most recent releases landed on September 30, 2026 and September 27, 2026 respectively.

Scorecard3 real differences · 6 level
Sikh Audio World versus QuantumNote: the parameters behind the verdict, then further details
ParameterSikh Audio WorldQuantumNote
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 9 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size322 MB5 MB
Age rating4+4+
DeveloperButa Singh DandiwalDinesh Malla

In-app purchases

1 purchases

Sikh Audio World

One-time1
  • TRAINING COURSE$9.99
None

QuantumNote

No in-app purchases

Questions

Is Sikh Audio World free?
Sikh Audio World is free to download, with in-app purchases available.
Is QuantumNote free?
QuantumNote is free to download, with no in-app purchases.
Do Sikh Audio World or QuantumNote have ads?
Neither Sikh Audio World nor QuantumNote shows ads.
Which is updated more often, Sikh Audio World or QuantumNote?
Sikh Audio World ships an update every 9 days, and QuantumNote every 2 months. Most recently, Sikh Audio World was updated on September 30, 2026 and QuantumNote on September 27, 2026.

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