# OAT vs QR code reader scanner Barcode

The clearest difference is in-app purchases: OAT at none against QR code reader scanner Barcode's 3. OAT also leads on iOS requirement (8.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. QR code reader scanner Barcode sells 3 in-app purchases, starting at $0.99 per 7 days. OAT asks for nothing beyond the download.

## The numbers

| Metric | OAT | QR code reader scanner Barcode |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 6 months |
| Size | 31 MB | 5 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [广州协众软件科技有限公司](https://appshunter.io/developer/871815690) | [Roman Egorov](https://appshunter.io/developer/1593266800) |

## What reviewers say

### OAT

[App page](https://appshunter.io/ios/app/oat/id1544013006)

**Features:** macOS Compatibility

**In-app purchases:** none


### QR code reader scanner Barcode

[App page](https://appshunter.io/ios/app/qr-code-reader-scanner-barcode/id6502961955)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR-code maker & product scan | $0.99 | per 7 days |
| QR, Bar code-scanner Generator | $1.99 | per month |
| QR Code reader Barcode scanner | $9.99 | per year |


## Frequently asked questions

### Is OAT free?

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

### Is QR code reader scanner Barcode free?

QR code reader scanner Barcode is free to download, with in-app purchases available.

### Do OAT or QR code reader scanner Barcode have ads?

Neither OAT nor QR code reader scanner Barcode shows ads.

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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.*