# Unit Eater vs NanoStopWatch byNSDev

The clearest difference is in-app purchases: NanoStopWatch byNSDev at none against Unit Eater's 2. Unit Eater's advantage is device support (4 vs 2) and iOS requirement (12.0 vs 17). On price and ads there is nothing between them.

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

## The numbers

| Metric | Unit Eater | NanoStopWatch byNSDev |
| --- | --- | --- |
| 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 | 2 MB |
| Requires iOS | **12.0** | 17 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Tom Leon Schmidt](https://appshunter.io/developer/1634212175) | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) |

## 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 |


### NanoStopWatch byNSDev

[App page](https://appshunter.io/ios/app/nanostopwatch-bynsdev/id6748882505)

**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 NanoStopWatch byNSDev free?

NanoStopWatch byNSDev is free to download, with no in-app purchases.

### Do Unit Eater or NanoStopWatch byNSDev have ads?

Neither Unit Eater nor NanoStopWatch byNSDev 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.*