# Shor's algorithm vs EG Numbers

The clearest difference is in-app purchases: EG Numbers at none against Shor's algorithm's 3. EG Numbers also leads on iOS requirement (13.4 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Shor's algorithm sells 3 one-off in-app purchases. EG Numbers asks for nothing beyond the download.

## The numbers

| Metric | Shor's algorithm | EG Numbers |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Size | 7 MB | 16 MB |
| Requires iOS | 16.0 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sungjun Kim](https://appshunter.io/developer/1602461985) | [UX:me AB](https://appshunter.io/developer/1767628979) |

## What reviewers say

### Shor's algorithm

[App page](https://appshunter.io/ios/app/shors-algorithm/id6472044082)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| coffee | $0.99 | one-time |
| latte | $4.99 | one-time |
| whopper set | $9.99 | one-time |


### EG Numbers

[App page](https://appshunter.io/ios/app/eg-numbers/id6670794956)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Shor's algorithm free?

Shor's algorithm is free to download, with in-app purchases available.

### Is EG Numbers free?

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

### Do Shor's algorithm or EG Numbers have ads?

Neither Shor's algorithm nor EG Numbers 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.*