# Grover algorithm 2 vs Quantum Atlas

The clearest difference is in-app purchases: Grover algorithm 2 at none against Quantum Atlas's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Quantum Atlas sells 1 one-off in-app purchase. Grover algorithm 2 asks for nothing beyond the download.

## The numbers

| Metric | Grover algorithm 2 | Quantum Atlas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quantum-atlas/id6771914560/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | — | Free |
| Size | 6 MB | 37 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sungjun Kim](https://appshunter.io/developer/1602461985) | [Elisha Perelman](https://appshunter.io/developer/6771914562) |

## What reviewers say

### Grover algorithm 2

[App page](https://appshunter.io/ios/app/grover-algorithm-2/id6504128318)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Grover algorithm 2 free?

Grover algorithm 2 is free to download, with no in-app purchases.

### Is Quantum Atlas free?

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

### Do Grover algorithm 2 or Quantum Atlas have ads?

Neither Grover algorithm 2 nor Quantum Atlas 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.*