# 4 = 1 vs Graph Linear Equations 2 Vars

The clearest difference is device support: Graph Linear Equations 2 Vars at 3 against 4 = 1's 1. Graph Linear Equations 2 Vars also leads on iOS requirement (12.0 vs 16.0). On price, ads and in-app purchases 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 | 4 = 1 | Graph Linear Equations 2 Vars |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 0 MB | 32 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zoe Cutler](https://appshunter.io/developer/1616556209) | [Science Education Institute](https://appshunter.io/developer/1439710468) |

## What reviewers say

### 4 = 1

[App page](https://appshunter.io/ios/app/4-1-math-game/id6479671530)

**Features:** macOS Compatibility

**In-app purchases:** none


### Graph Linear Equations 2 Vars

[App page](https://appshunter.io/ios/app/graph-linear-equations-2-vars/id6504436999)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 4 = 1 free?

4 = 1 is free to download, with no in-app purchases.

### Is Graph Linear Equations 2 Vars free?

Graph Linear Equations 2 Vars is free to download, with no in-app purchases.

### Do 4 = 1 or Graph Linear Equations 2 Vars have ads?

Neither 4 = 1 nor Graph Linear Equations 2 Vars 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.*