# Unit Eater vs Calculator 2 Memory

The clearest difference is in-app purchases: Calculator 2 Memory at none against Unit Eater's 2. Unit Eater's advantage is device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Unit Eater sells 2 in-app purchases, starting at $0.99 per month. Calculator 2 Memory asks for nothing beyond the download.

## The numbers

| Metric | Unit Eater | Calculator 2 Memory |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 65 MB | 41 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tom Leon Schmidt](https://appshunter.io/developer/1634212175) | [Sergii Kulish](https://appshunter.io/developer/1813433439) |

## What reviewers say

### Unit Eater

[App page](https://appshunter.io/ios/app/unit-eater/id6742549723)

This utility app functions as a powerful calculator that handles unit conversions and calculations. It supports a vast array of predefined units and allows users to define their own, making it ideal for scientific and academic tasks. Features include a calculation history, customizable results, and dark mode.

**Highlights:** Unit conversion and calculation, Custom unit definition, Extensive unit library, Calculation history, Customizable result format, Dark mode

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Monthly | $0.99 | per month |
| Premium - Pay once | $3.99 | one-time |


### Calculator 2 Memory

[App page](https://appshunter.io/ios/app/calculator-2-memory/id6745712153)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unit Eater free?

Unit Eater is free to download, with in-app purchases available.

### Is Calculator 2 Memory free?

Calculator 2 Memory is free to download, with no in-app purchases.

### Do Unit Eater or Calculator 2 Memory have ads?

Neither Unit Eater nor Calculator 2 Memory 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.*