# Forest Math vs Caterbus

The clearest difference is in-app purchases: Caterbus at none against Forest Math's 1. Caterbus also leads on iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Forest Math sells 1 one-off in-app purchase. Caterbus asks for nothing beyond the download.

## The numbers

| Metric | Forest Math | Caterbus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | — |
| Size | 78 MB | 203 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MIGMIG DIJITAL PLATFORM ANONIM SIRKETI](https://appshunter.io/developer/1825868534) | [Mehmet Fatih Sahin](https://appshunter.io/developer/1700697055) |

## What reviewers say

### Forest Math

[App page](https://appshunter.io/ios/app/forest-math/id6775507910)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


### Caterbus

[App page](https://appshunter.io/ios/app/caterbus-color-fill/id6775852975)

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

**In-app purchases:** none


## Frequently asked questions

### Is Forest Math free?

Forest Math is free to download, with in-app purchases available.

### Is Caterbus free?

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

### Do Forest Math or Caterbus have ads?

Both Forest Math and Caterbus show 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.*