# Natural Selection Sim vs Quantum

The clearest difference is rating: Quantum at 4.8 against Natural Selection Sim's 3.2. Quantum also leads on review sentiment (86% vs 50%) and update cadence (every 5 weeks vs every 3 months). Natural Selection Sim's advantage is in-app purchases (none vs 6) and iOS requirement (10.0 vs 26.0). On price, ads and device support there is nothing between them.

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

Quantum holds the better App Store score, 4.8 against 3.2. That said, the two scores are not equally well evidenced: Quantum has 133 ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 50% of Natural Selection Sim's written reviews are positive against 86% of Quantum's.

Natural Selection Sim ships an update every 3 months, Quantum every 5 weeks. The most recent releases landed on October 1, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Natural Selection Sim | Quantum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (21 ratings)](https://appshunter.io/ios/app/natural-selection-sim/id910261072/reviews) | **[4.8 (133 ratings)](https://appshunter.io/ios/app/quantum-particle-life/id6504465371/reviews)** |
| Number of ratings | 21 | **133** |
| Positive reviews | 50.0% of reviews | **85.7% 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 | 128 MB | 32 MB |
| Requires iOS | **10.0** | 26.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Amplify Education, Inc.](https://appshunter.io/developer/433704168) | [GEORGY OSTROBROD](https://appshunter.io/developer/1875865758) |

## What reviewers say

### Natural Selection Sim

[App page](https://appshunter.io/ios/app/natural-selection-sim/id910261072)

This educational simulation models natural selection processes. It is designed for use with a specific science curriculum and requires a school-provided login and license to function.

**Highlights:** Natural selection simulation, Educational curriculum integration, Requires school login and license, iPad compatible

**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 Natural Selection Sim free?

Natural Selection Sim 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, Natural Selection Sim or Quantum?

Quantum is rated higher. Natural Selection Sim averages 3.2 out of 5 from 21 ratings, while Quantum averages 4.8 from 133 ratings.

### Do Natural Selection Sim or Quantum have ads?

Neither Natural Selection Sim nor Quantum shows ads.

### Which is updated more often, Natural Selection Sim or Quantum?

Natural Selection Sim ships an update every 3 months, and Quantum every 5 weeks. Most recently, Natural Selection Sim was updated on October 1, 2026 and Quantum on October 15, 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.*