# ECU vs QR Box · Smart Code Manager

The clearest difference is in-app purchases: ECU at none against QR Box · Smart Code Manager's 3. ECU also leads on iOS requirement (11.0 vs 17.6). QR Box · Smart Code Manager's advantage is device support. On price there is nothing between them.

Both are free to download. QR Box · Smart Code Manager sells 3 in-app purchases, starting at $1.99 per month. ECU asks for nothing beyond the download.

## The numbers

| Metric | ECU | QR Box · Smart Code Manager |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 3 months |
| Size | 27 MB | 2 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Appleby Italiana Srl](https://appshunter.io/developer/1458734548) | [家贺 万](https://appshunter.io/developer/1820076368) |

## What reviewers say

### ECU

[App page](https://appshunter.io/ios/app/ecu-22-irrimec/id1615544718)

**In-app purchases:** none


### QR Box · Smart Code Manager

[App page](https://appshunter.io/ios/app/qr-box-smart-code-manager/id6747150733)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $1.99 | per month |
| Annual Plan | $9.99 | per year |
| Lifetime Access | $14.99 | one-time |


## Frequently asked questions

### Is ECU free?

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

### Is QR Box · Smart Code Manager free?

QR Box · Smart Code Manager is free to download, with in-app purchases available.

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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.*