# CodeREADr vs QR Attendance Book

The clearest difference is review sentiment: QR Attendance Book at 100% against CodeREADr's 47%. QR Attendance Book also leads on update cadence (weekly vs every 2 months) and iOS requirement (11.0 vs 13.0). CodeREADr's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CodeREADr ships an update every 2 months, QR Attendance Book weekly. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | CodeREADr | QR Attendance Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (4 ratings)](https://appshunter.io/ios/app/codereadr-admin-edition/id358305021/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 47.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 79 MB | 34 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CodeREADr Inc](https://appshunter.io/developer/1742245227) | [Motoki Takahashi](https://appshunter.io/developer/1555920724) |

## What reviewers say

### CodeREADr

[App page](https://appshunter.io/ios/app/codereadr-admin-edition/id358305021)

This app provides enterprise-grade barcode scanning and data capture for businesses. It's ideal for various applications like ticket validation, inventory management, and logistics, allowing for real-time data recording, validation, and integration with other services.

**Highlights:** Fast barcode scanning with device camera, Real-time data recording and validation, Offline scanning with Auto-Sync, Integration with 4,000+ apps, Customizable form fields and data capture, Support for multiple barcode types, Kiosk Mode for unattended use

**Features:** Vision Pro support

**In-app purchases:** none


### QR Attendance Book

[App page](https://appshunter.io/ios/app/qr-attendance-book/id6472248148)

This application simplifies attendance tracking using QR codes. Organizers can scan attendee QR codes to log arrival times and collected information, ideal for events or seminars. It operates offline and allows for easy data gathering for future contact.

**Highlights:** QR code attendance confirmation, Offline operation, Attendee information input, Organizer QR code scanning, Data gathering for future contact, Reuse of old devices

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CodeREADr free?

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

### Is QR Attendance Book free?

QR Attendance Book is free to download, with no in-app purchases.

### Do CodeREADr or QR Attendance Book have ads?

QR Attendance Book shows ads; CodeREADr does not.

### Which is updated more often, CodeREADr or QR Attendance Book?

CodeREADr ships an update every 2 months, and QR Attendance Book weekly. Most recently, CodeREADr was updated on October 2, 2026 and QR Attendance Book on October 12, 2026.

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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.*