# Quantum vs QuantumNote

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.

Both are free to download. Quantum sells 3 one-off in-app purchases. QuantumNote asks for nothing beyond the download.

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.

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.

## The numbers

| Metric | Quantum | QuantumNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (133 ratings)](https://appshunter.io/ios/app/quantum-particle-life/id6504465371/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quantumnote-quantum-computing/id6755923805/reviews)** |
| Number of ratings | **133** | 1 |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 32 MB | 5 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GEORGY OSTROBROD](https://appshunter.io/developer/1875865758) | [Dinesh Malla](https://appshunter.io/developer/1838122307) |

## What reviewers say

### Quantum

[App page](https://appshunter.io/ios/app/quantum-particle-life/id6504465371)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Developer tip | $1.99 | one-time |
| Developer tip | $3.99 | one-time |
| Developer tip | $5.99 | 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 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.

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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.*