# CATQR Class Attendance Tracker vs mstqr

The clearest difference is update cadence: mstqr at every 2 weeks against CATQR Class Attendance Tracker's every 12 months. On price, ads, 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.

CATQR Class Attendance Tracker ships an update every 12 months, mstqr every 2 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CATQR Class Attendance Tracker | mstqr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (15 ratings)](https://appshunter.io/ios/app/catqr-class-attendance-tracker/id1479679529/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 43 MB | 25 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shinetech Europe Ltd.](https://appshunter.io/developer/912290008) | [Mstqr](https://appshunter.io/developer/1835484516) |

## What reviewers say

### CATQR Class Attendance Tracker

[App page](https://appshunter.io/ios/app/catqr-class-attendance-tracker/id1479679529)

This free utility digitizes class attendance using QR codes. Scan codes to record attendance, view history, and manage records. Organizers can track attendance in real-time and export data.

**Highlights:** QR code scanning for attendance, Scan history and calendar storage, Real-time attendance tracking for organizers, Export attendance data to Excel, Searchable scan history, Access internet links from QR codes

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

**In-app purchases:** none


### mstqr

[App page](https://appshunter.io/ios/app/mstqr/id6670178460)

**In-app purchases:** none


## Frequently asked questions

### Is CATQR Class Attendance Tracker free?

CATQR Class Attendance Tracker is free to download, with no in-app purchases.

### Is mstqr free?

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

### Do CATQR Class Attendance Tracker or mstqr have ads?

Neither CATQR Class Attendance Tracker nor mstqr shows ads.

### Which is updated more often, CATQR Class Attendance Tracker or mstqr?

CATQR Class Attendance Tracker ships an update every 12 months, and mstqr every 2 weeks. Most recently, CATQR Class Attendance Tracker was updated on October 24, 2026 and mstqr on October 30, 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.*