# HD DID+ vs HD

The clearest difference is device support: HD at 3 against HD DID+'s —. HD also leads on iOS requirement (12.0 vs 14.3). On price and in-app purchases 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 | HD DID+ | HD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 2 weeks |
| Size | 42 MB | 46 MB |
| Requires iOS | 14.3 | **12.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Assembrix Co., Ltd.](https://appshunter.io/developer/1802790457) | [HD Korea Shipbuilding & Offshore Engineering Co., Ltd.](https://appshunter.io/developer/1098104557) |

## What reviewers say

### HD DID+

[App page](https://appshunter.io/ios/app/hd-did-plus/id6471395230)

**In-app purchases:** none


### HD

[App page](https://appshunter.io/ios/app/hd-emocean/id6756709995)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HD DID+ free?

HD DID+ is free to download, with no in-app purchases.

### Is HD free?

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

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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.*