# Equations Versus Inequalities vs Calculus

The clearest difference is price: Equations Versus Inequalities at Free against Calculus's $1.99. Equations Versus Inequalities also leads on iOS requirement (12.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Equations Versus Inequalities is free to download; Calculus costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Equations Versus Inequalities | Calculus |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 19 MB | 64 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Science Education Institute](https://appshunter.io/developer/1439710468) | [Alessandro Cozzarini](https://appshunter.io/developer/433618036) |

## What reviewers say

### Equations Versus Inequalities

[App page](https://appshunter.io/ios/app/equations-versus-inequalities/id6736602956)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculus

[App page](https://appshunter.io/ios/app/calculus-limits/id6740908367)

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

**In-app purchases:** none


## Frequently asked questions

### Is Equations Versus Inequalities free?

Equations Versus Inequalities is free to download, with no in-app purchases.

### Is Calculus free?

Calculus costs $1.99, with no in-app purchases.

### Do Equations Versus Inequalities or Calculus have ads?

Neither Equations Versus Inequalities nor Calculus 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.*