# Sikh Audio World vs QuantumNote

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.

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

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.

## The numbers

| Metric | Sikh Audio World | QuantumNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quantumnote-quantum-computing/id6755923805/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | — | Free |
| Size | 322 MB | 5 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Buta Singh Dandiwal](https://appshunter.io/developer/1798941374) | [Dinesh Malla](https://appshunter.io/developer/1838122307) |

## What reviewers say

### Sikh Audio World

[App page](https://appshunter.io/ios/app/sikh-audio-world/id6742549930)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TRAINING COURSE | $9.99 | one-time |


### QuantumNote

[App page](https://appshunter.io/ios/app/quantumnote-quantum-computing/id6755923805)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*