# Mergen DTS vs ERU

The clearest difference is device support: ERU at 3 against Mergen DTS's —. Mergen DTS's advantage is iOS requirement (11.0 vs 13.0). 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 | Mergen DTS | ERU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 4 weeks |
| Size | 33 MB | 23 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Efe Erogu Bilisim Tek. Ins. San Tic. Ltd. Sti.](https://appshunter.io/developer/535786255) | [Erciyes University](https://appshunter.io/developer/1679301796) |

## What reviewers say

### Mergen DTS

[App page](https://appshunter.io/ios/app/mergen-dts/id6467651253)

**In-app purchases:** none


### ERU

[App page](https://appshunter.io/ios/app/eru-tip-ots/id6477384539)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mergen DTS free?

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

### Is ERU free?

ERU 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.*