# NTP Clock vs Unit Converter & Calculators

The clearest difference is in-app purchases: NTP Clock at none against Unit Converter & Calculators's 1. Unit Converter & Calculators's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Unit Converter & Calculators sells 1 one-off in-app purchase. NTP Clock asks for nothing beyond the download.

## The numbers

| Metric | NTP Clock | Unit Converter & Calculators |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 5 days |
| Size | 9 MB | 34 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Arturo Hernandez](https://appshunter.io/developer/1464213040) | [Umit YILMAZ](https://appshunter.io/developer/1772563348) |

## What reviewers say

### NTP Clock

[App page](https://appshunter.io/ios/app/ntp-clock/id6444739663)

**In-app purchases:** none


### Unit Converter & Calculators

[App page](https://appshunter.io/ios/app/unit-converter-and-calculators/id6736622331)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is NTP Clock free?

NTP Clock is free to download, with no in-app purchases.

### Is Unit Converter & Calculators free?

Unit Converter & Calculators is free to download, with in-app purchases available.

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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.*