# TheDLA vs Quantum

The clearest difference is in-app purchases: TheDLA at none against Quantum's 6. TheDLA also leads on iOS requirement (16.6 vs 26.0). Quantum's advantage is rating (4.8 vs 4.3) and ratings volume (151 vs 3). On price, ads and device support there is nothing between them.

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

Quantum holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: Quantum has 151 ratings behind it against 3, so its average is the more settled of the two.

TheDLA ships an update every 3 months, Quantum every 5 weeks. The most recent releases landed on October 23, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | TheDLA | Quantum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/thedla/id506499656/reviews) | **[4.8 (151 ratings)](https://appshunter.io/ios/app/quantum-particle-life/id6504465371/reviews)** |
| Number of ratings | 3 | **151** |
| Positive reviews | — | 81.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 32 MB |
| Requires iOS | **16.6** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daishin Ueyama](https://appshunter.io/developer/495395197) | [GEORGY OSTROBROD](https://appshunter.io/developer/1875865758) |

## What reviewers say

### TheDLA

[App page](https://appshunter.io/ios/app/thedla/id506499656)

Explore pattern formation in nature with this app. It visualizes Diffusion Limited Aggregation, allowing you to create unique, complex dendritic patterns. Experiment with different interactions to generate artistic and scientific designs.

**Highlights:** Visualize Diffusion Limited Aggregation, Create complex dendritic patterns, Interactive pattern generation, Color selection for branches, Export images to photo library, Twitter, Facebook, GIF animation export, Face detection for particle placement

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is TheDLA free?

TheDLA is free to download, with no in-app purchases.

### Is Quantum free?

Quantum is free to download, with in-app purchases available.

### Which has better reviews, TheDLA or Quantum?

Quantum is rated higher. TheDLA averages 4.3 out of 5 from 3 ratings, while Quantum averages 4.8 from 151 ratings.

### Do TheDLA or Quantum have ads?

Neither TheDLA nor Quantum shows ads.

### Which is updated more often, TheDLA or Quantum?

TheDLA ships an update every 3 months, and Quantum every 5 weeks. Most recently, TheDLA was updated on October 23, 2026 and Quantum on October 30, 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.*