# Qr vs e

The clearest difference is device support: Qr at 3 against e's —. On price, in-app purchases and iOS requirement 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 | Qr | e |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 7 months | — |
| Size | 20 MB | 31 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [TERRACOM S. A.](https://appshunter.io/developer/627896499) | [infalia](https://appshunter.io/developer/897171644) |

## What reviewers say

### Qr

[App page](https://appshunter.io/ios/app/qr-patrol-mars/id1066209068)

**In-app purchases:** none


### e

[App page](https://appshunter.io/ios/app/e-15195/id1114805905)

**In-app purchases:** none


## Frequently asked questions

### Is Qr free?

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

### Is e free?

e 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.*