# QR® — Create, Scan, Detect QR Code

> Create, scan, and detect QR codes and other barcodes. (iPhone/iPad app by Ruizheng Liu.)

- Source: https://appshunter.io/ios/app/qr/id6447071301 (this page in markdown: same URL + `.md`)
- Developer: [Ruizheng Liu](https://appshunter.io/developer/782255647)
- Category: Utilities, Photo & Video
- Price: $4.99
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 16.0 · 1 MB
- Languages: American English
- Released: 2023-04-19
- Data updated: 2026-08-28
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/qr/id6447071301/reviews.md

## What is QR®?

This app let you generate barcode and 2D Code including QR, PDF417 and Aztec code; scan barcode and 2D code using your iPhone/iPad camera; detect barcode and 2D code on images form Photo Library.

FUNCTIONS
==========

1. Generate the following barcode and 2D code:
	QR code
	Barcode
	2D Barcode (PDF417)
	Aztec Code

For generated code, you can:
	Save to your photo library
	Share with other apps like Mail, Message, AirDrop, etc.
	Copy

2. Scan code using iPhone/iPad camera for all the supported barcode and 2D code
For detected code, you can
	Open Safari if it is valid URL
	Open Mail if it is “mailto:” protocol
	Share with other apps like Mail, Message, AirDrop, etc.
	Copy


3. Detect code directly from images from Photos app
The following actions are supported for the detected code:
	Open Safari if it is valid URL
	Open Mail if it is “mailto:” protocol
	Share with other apps like Mail, Message, AirDrop, etc.
        Copy

SUPPORTED CODE
===============

The following barcode symbologies are supported:
	Codabar
	Code 39
	Code 39 mod 43
	Code 93
	Code 128
	EAN-8
	EAN-13
	GS1 DataBar
	GS1 DataBar Expanded
	GS1 DataBar Limited
	Interleaved 2 of 5
	ITF14
	UPC-E

The following 2D code symbologies are supported:
	QR
	Micro QR
	Aztec
	PDF417
	Micro PDF417
	DataMatrix

NOTE
=====

	The app supports most common used code, but not all barcodes or 2D codes.
	Some codes use binary format and not readable for human.
        For generating barcode, the string must only contains 7bit ascii characters.

## Key features

- Generate QR, PDF417, and Aztec codes
- Scan codes with iPhone/iPad camera
- Detect codes from images
- Save and share generated codes
- Open scanned URLs and mailto links


## Frequently asked questions about QR®

### What types of codes can QR® generate?

QR® can generate QR codes, standard barcodes, PDF417 (2D barcodes), and Aztec codes. For generated codes, you can save them to your photo library, share them via apps like Mail or Messages, or copy them.

### Can QR® scan codes from my photo library?

Yes, QR® can detect and scan codes directly from images stored in your Photos app. Once detected, you can open valid URLs in Safari, mailto links in Mail, or share and copy the code information.

### What barcode symbologies does QR® support for scanning?

QR® supports a wide range of barcode symbologies including Codabar, Code 39, Code 93, Code 128, EAN-8, EAN-13, UPC-E, and various GS1 DataBar types. It also supports 2D codes like QR, Micro QR, Aztec, PDF417, Micro PDF417, and DataMatrix.

### Is QR® available on multiple Apple devices?

Yes, QR® is supported on Mac, iPhone, and iPad, allowing you to use its code generation and scanning features across your Apple ecosystem.

### How much does QR® cost?

QR® is a paid application, priced at $4.99. This one-time purchase grants you access to all its features for code generation and scanning.

### What is the age rating for QR®?

QR® has an age rating of 4+, making it suitable for a wide range of users. The app was last updated on April 19, 2023, with version 1.0.

### Does QR® have ads?

No, QR® does not contain advertisements. As a paid application, it offers an ad-free experience for all users.

### What are the limitations of QR®'s code generation?

While QR® supports many common code types, it does not support all possible barcodes or 2D codes. For generating barcodes, the input string must exclusively contain 7-bit ASCII characters.

## Version history (last 1 release)

### 1.0 — 2023-04-19

No release notes.

## Apps similar to QR®

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Snap Markup - Annotation Tool](https://appshunter.io/ios/app/snap-markup-annotation-tool/id1012363691) | 4.6 (3,526) | $1.99 | Utilities |
| [Universal Code Scanner](https://appshunter.io/ios/app/universal-code-scanner/id1597726866) | 5.0 (1) | Free | Utilities |
| [QR/Barcode Scanner Iconit LITE](https://appshunter.io/ios/app/qrbarcode-scanner-iconit-lite/id1621214749) | — | Free | Utilities |
| [Charging Stations Nearby](https://appshunter.io/ios/app/charging-stations-nearby/id1661814164) | — | Free | Utilities |
| [GeoCeptor](https://appshunter.io/ios/app/geoceptor/id6739982067) | 4.1 (35) | Free | Utilities |
| [QR Code: Generator](https://appshunter.io/ios/app/qr-code-generator/id1669259846) | 4.5 (32) | Free | Utilities |

## More apps by Ruizheng Liu

- [Countdown One](https://appshunter.io/ios/app/countdown-one/id1614348003)
- [PDF Pages](https://appshunter.io/ios/app/pdf-pages/id1620995820)
- [PuTXT](https://appshunter.io/ios/app/putxt/id6443927238)
- [Photo Parts](https://appshunter.io/ios/app/photo-parts/id6444296810)
- [Video Timer Counter](https://appshunter.io/ios/app/video-timer-counter/id6444837221)
- [Photo-PDF](https://appshunter.io/ios/app/photo-pdf/id6445961615)

All apps by Ruizheng Liu: https://appshunter.io/developer/782255647

## Related topics

[ruizheng liu](https://appshunter.io/ios/topics/ruizheng-liu)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-28.*