# e++ Probability vs Linear Inequality by Graphing

The clearest difference is device support: Linear Inequality by Graphing at 3 against e++ Probability'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 | e++ Probability | Linear Inequality by Graphing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 30 MB | 23 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Modern Educational Research Society, LTD](https://appshunter.io/developer/432268704) | [Science Education Institute](https://appshunter.io/developer/1439710468) |

## What reviewers say

### e++ Probability

[App page](https://appshunter.io/ios/app/e-plus-plus-probability/id1564855389)

**Features:** macOS Compatibility

**In-app purchases:** none


### Linear Inequality by Graphing

[App page](https://appshunter.io/ios/app/linear-inequality-by-graphing/id6740741214)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is e++ Probability free?

e++ Probability is free to download, with no in-app purchases.

### Is Linear Inequality by Graphing free?

Linear Inequality by Graphing is free to download, with no in-app purchases.

### Do e++ Probability or Linear Inequality by Graphing have ads?

Neither e++ Probability nor Linear Inequality by Graphing 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.*