# Quantum Atlas vs Relativity Simulator

The clearest difference is in-app purchases: Relativity Simulator at none against Quantum Atlas's 1. Quantum Atlas's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Quantum Atlas sells 1 one-off in-app purchase. Relativity Simulator asks for nothing beyond the download.

## The numbers

| Metric | Quantum Atlas | Relativity Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quantum-atlas/id6771914560/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Monetization | Free | — |
| Size | 37 MB | 15 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Elisha Perelman](https://appshunter.io/developer/6771914562) | [际 郭](https://appshunter.io/developer/6797282134) |

## What reviewers say

### Quantum Atlas

[App page](https://appshunter.io/ios/app/quantum-atlas/id6771914560)

Explore the fundamental building blocks of reality with interactive simulations and clear explanations of quantum physics concepts. This pocket-sized reference makes complex theories accessible through a particle table, concept cards, and hands-on experiments.

**Highlights:** Interactive particle table, 12 concept cards for quick learning, 22 touchable physics simulations, Theory atlases for deeper understanding, Decay and Spectra explorers, Offline and private usage

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quantum Atlas Pro | $2.99 | one-time |


### Relativity Simulator

[App page](https://appshunter.io/ios/app/relativity-simulator/id6811289729)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Quantum Atlas free?

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

### Is Relativity Simulator free?

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

### Do Quantum Atlas or Relativity Simulator have ads?

Neither Quantum Atlas nor Relativity Simulator shows ads.

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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.*