# Numberus Prime vs Cryptography Concepts

The clearest difference is price: Cryptography Concepts at Free against Numberus Prime's $2.99. Numberus Prime's advantage is iOS requirement (13.4 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Cryptography Concepts is free to download; Numberus Prime costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Numberus Prime | Cryptography Concepts |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 19 MB | 38 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Barcelona Code School](https://appshunter.io/developer/1414985237) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### Numberus Prime

[App page](https://appshunter.io/ios/app/numberus-prime/id6736878145)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cryptography Concepts

[App page](https://appshunter.io/ios/app/cryptography-concepts/id6773201710)

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

**In-app purchases:** none


## Frequently asked questions

### Is Numberus Prime free?

Numberus Prime costs $2.99, with no in-app purchases.

### Is Cryptography Concepts free?

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

### Do Numberus Prime or Cryptography Concepts have ads?

Neither Numberus Prime nor Cryptography Concepts shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*