# Mathematicus Parvus vs The Hill COG

The clearest difference is in-app purchases: The Hill COG at none against Mathematicus Parvus's 1. The Hill COG also leads on device support (4 vs 2) and iOS requirement (15.1 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Mathematicus Parvus sells 1 one-off in-app purchase. The Hill COG asks for nothing beyond the download.

## The numbers

| Metric | Mathematicus Parvus | The Hill COG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 1 MB | 58 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Kristof Nijs](https://appshunter.io/developer/1608072573) | [Calvary Hill Church of God](https://appshunter.io/developer/1894733177) |

## What reviewers say

### Mathematicus Parvus

[App page](https://appshunter.io/ios/app/mathematicus-parvus/id1613162646)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purchase of the app | $0.99 | one-time |


### The Hill COG

[App page](https://appshunter.io/ios/app/the-hill-cog/id6762577339)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Mathematicus Parvus free?

Mathematicus Parvus is free to download, with in-app purchases available.

### Is The Hill COG free?

The Hill COG is free to download, with no in-app purchases.

### Do Mathematicus Parvus or The Hill COG have ads?

Neither Mathematicus Parvus nor The Hill COG 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.*