# 4C Calculator vs Dynamic DNS

The clearest difference is iOS requirement: 4C Calculator at 13.4 against Dynamic DNS's 15.6. On price, ads, in-app purchases and device support 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 | 4C Calculator | Dynamic DNS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 21 MB | 21 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Crane Central Sdn. Bhd.](https://appshunter.io/developer/1635073910) | [Vladimir Gorkov](https://appshunter.io/developer/1698897421) |

## What reviewers say

### 4C Calculator

[App page](https://appshunter.io/ios/app/4c-calculator/id1635075590)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dynamic DNS

[App page](https://appshunter.io/ios/app/dynamic-dns/id6761129064)

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

**In-app purchases:** none


## Frequently asked questions

### Is 4C Calculator free?

4C Calculator is free to download, with no in-app purchases.

### Is Dynamic DNS free?

Dynamic DNS is free to download, with no in-app purchases.

### Do 4C Calculator or Dynamic DNS have ads?

Neither 4C Calculator nor Dynamic DNS shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*