# Know Your World vs The Cartesian Coordinate Plane

The clearest difference is device support: The Cartesian Coordinate Plane at 3 against Know Your World's 1. On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Know Your World | The Cartesian Coordinate Plane |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | — |
| Size | 21 MB | 24 MB |
| Requires iOS | 12.2 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EdWare](https://appshunter.io/developer/554445658) | [Science Education Institute](https://appshunter.io/developer/1439710468) |

## What reviewers say

### Know Your World

[App page](https://appshunter.io/ios/app/know-your-world/id597861911)

**Features:** macOS Compatibility

**In-app purchases:** none


### The Cartesian Coordinate Plane

[App page](https://appshunter.io/ios/app/the-cartesian-coordinate-plane/id6736859692)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Know Your World free?

Know Your World is free to download, with no in-app purchases.

### Is The Cartesian Coordinate Plane free?

The Cartesian Coordinate Plane is free to download, with no in-app purchases.

### Do Know Your World or The Cartesian Coordinate Plane have ads?

Neither Know Your World nor The Cartesian Coordinate Plane 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.*