# DOE Conceptualize vs myTHD

The clearest difference is device support: myTHD at 4 against DOE Conceptualize's —. DOE Conceptualize's advantage is iOS requirement (12.4 vs 15.1). 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 | DOE Conceptualize | myTHD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 9 days |
| Size | 76 MB | 104 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | — | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Database of Everything Inc.](https://appshunter.io/developer/1485620840) | [UniNow GmbH](https://appshunter.io/developer/1099302123) |

## What reviewers say

### DOE Conceptualize

[App page](https://appshunter.io/ios/app/doe-conceptualize/id6478985588)

**In-app purchases:** none


### myTHD

[App page](https://appshunter.io/ios/app/mythd/id6749629908)

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DOE Conceptualize free?

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

### Is myTHD free?

myTHD 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.*