# Three vs CATQR Class Attendance Tracker

The clearest difference is review sentiment: CATQR Class Attendance Tracker at 100% against Three's 18%. CATQR Class Attendance Tracker also leads on ads (none vs shown) and monetization model (free vs free with in-app purchases). Three's advantage is update cadence (every 2 weeks vs every 12 months) and ratings volume (1.1K vs 15). On price, in-app purchases, device support and iOS requirement 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 holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Three has 1.1K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 18% of Three's written reviews are positive against 100% of CATQR Class Attendance Tracker's.

Three ships an update every 2 weeks, CATQR Class Attendance Tracker every 12 months. The most recent releases landed on September 22, 2026 and August 8, 2026 respectively.

## The numbers

| Metric | Three | CATQR Class Attendance Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (1.1K ratings)](https://appshunter.io/ios/app/three/id393530266/reviews) | **[4.7 (15 ratings)](https://appshunter.io/ios/app/catqr-class-attendance-tracker/id1479679529/reviews)** |
| Number of ratings | **1.1K** | 15 |
| Positive reviews | 18.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 12 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 193 MB | 43 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hutchison 3G UK Ltd](https://appshunter.io/developer/393530269) | [Shinetech Europe Ltd.](https://appshunter.io/developer/912290008) |

## What reviewers say

### Three

[App page](https://appshunter.io/ios/app/three/id393530266)

Easily manage your mobile and broadband plans. Track usage, view bills, top up accounts, and access exclusive offers. Set up and manage your broadband with helpful tools.

**Highlights:** View plan allowances and usage, Manage additional products, Access past bills and cost breakdowns, Top up Pay As You Go accounts, Set up and manage broadband, Access Three+ rewards, Live chat support

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- ✨ Reliable service
- 💰 Good value
- 🌍 Excellent roaming coverage

**What reviewers complain about**

- 🔧 Buggy app
- 📶 Poor network coverage
- 🤖 Unhelpful customer service
- 💸 Overcharging issues
- 🔒 Security concerns

**Reported bugs**

- Login issues
- App crashes frequently
- Inaccurate data usage tracking
- Inability to cancel add-ons

**Requested features**

- Add Apple Pay support
- Improve app stability and performance
- Provide better network coverage information
- Streamline account management features


### 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

**In-app purchases:** none


## Frequently asked questions

### Is Three free?

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

### Is CATQR Class Attendance Tracker free?

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

### Which has better reviews, Three or CATQR Class Attendance Tracker?

CATQR Class Attendance Tracker is rated higher. Three averages 4.4 out of 5 from 1.1K ratings, while CATQR Class Attendance Tracker averages 4.7 from 15 ratings.

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

Three shows ads; CATQR Class Attendance Tracker does not.

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

Three ships an update every 2 weeks, and CATQR Class Attendance Tracker every 12 months. Most recently, Three was updated on September 22, 2026 and CATQR Class Attendance Tracker on August 8, 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.*