# Attendzy vs UDBapp

The clearest difference is rating: Attendzy at 5.0 against UDBapp's 3.4. Attendzy also leads on iOS requirement (15.1 vs 18.0). UDBapp's advantage is update cadence (every 6 days vs every 3 weeks) and ratings volume (36 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Attendzy holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: UDBapp has 36 ratings behind it against 1, so its average is the more settled of the two.

Attendzy ships an update every 3 weeks, UDBapp every 6 days. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Attendzy | UDBapp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/attendzy/id6761645372/reviews)** | [3.4 (36 ratings)](https://appshunter.io/ios/app/udbapp-powered-by-arc/id6762600003/reviews) |
| Number of ratings | 1 | **36** |
| Positive reviews | — | 37.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free | Free |
| Size | 30 MB | 43 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CXelerate, LLC](https://appshunter.io/developer/1890632174) | [Ultimate Drill Book](https://appshunter.io/developer/1455826723) |

## What reviewers say

### Attendzy

[App page](https://appshunter.io/ios/app/attendzy/id6761645372)

This app helps educators manage student attendance and engagement efficiently. It offers features like instant check-ins via QR codes or simple taps, real-time dashboards, and tools for surveys, quizzes, and polls. It streamlines classroom management for teachers and professors.

**Highlights:** Instant secure login, One-tap session control, Live attendance dashboard, QR code and rotating pin check-in, Push notifications for feedback, Roster management, Surveys, quizzes, and polls

**Features:** macOS Compatibility

**In-app purchases:** none


### UDBapp

[App page](https://appshunter.io/ios/app/udbapp-powered-by-arc/id6762600003)

This app allows users to view, edit, and manage drill formations for marching bands. It offers features for both performers and directors, including animated drills, coordinate sheets, and attendance tracking. The app supports offline access and integrates with drill design software.

**Highlights:** View drill animations from any perspective, Live updating coordinates and count sheets, Annotate directly on drills with notes, Attendance tracking and rehearsal schedules, Offline mode for drill access, Integration with drill design software

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

**In-app purchases:** none


## Frequently asked questions

### Is Attendzy free?

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

### Is UDBapp free?

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

### Which has better reviews, Attendzy or UDBapp?

Attendzy is rated higher. Attendzy averages 5.0 out of 5 from 1 ratings, while UDBapp averages 3.4 from 36 ratings.

### Do Attendzy or UDBapp have ads?

Neither Attendzy nor UDBapp shows ads.

### Which is updated more often, Attendzy or UDBapp?

Attendzy ships an update every 3 weeks, and UDBapp every 6 days. Most recently, Attendzy was updated on October 15, 2026 and UDBapp on October 24, 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.*