# Dumas ISD vs UDBapp

The clearest difference is review sentiment: Dumas ISD at 100% against UDBapp's 38%. Dumas ISD also leads on iOS requirement (16.0 vs 18.0). UDBapp's advantage is update cadence (every 6 days vs every 22 months) and rating (4.7 vs 4.3). 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.

UDBapp holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: UDBapp has 235 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 100% of Dumas ISD's written reviews are positive against 38% of UDBapp's, so the app with the better star average is not the one people write more warmly about.

Dumas ISD ships an update every 22 months, UDBapp every 6 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Dumas ISD | UDBapp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/dumas-isd/id6445800273/reviews) | **[4.7 (235 ratings)](https://appshunter.io/ios/app/udbapp-powered-by-arc/id6762600003/reviews)** |
| Number of ratings | 3 | **235** |
| Positive reviews | **100.0% of reviews** | 37.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 6 days** |
| Monetization | Free | Free |
| Size | 146 MB | 43 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [DUMAS INDEPENDENT SCHOOL DISTRICT](https://appshunter.io/developer/1477666399) | [Ultimate Drill Book](https://appshunter.io/developer/1455826723) |

## What reviewers say

### Dumas ISD

[App page](https://appshunter.io/ios/app/dumas-isd/id6445800273)

Stay informed about district events, customize notifications for your student's organizations, and access weekly cafeteria menus. The app provides live updates from administration and a directory for contacting staff and departments.

**Highlights:** Event listings with calendar integration, Customizable notifications by student organization, Weekly cafeteria menus, Live district updates feed, Staff and department contact directory

**Features:** Vision Pro support

**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 Dumas ISD free?

Dumas ISD 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, Dumas ISD or UDBapp?

UDBapp is rated higher. Dumas ISD averages 4.3 out of 5 from 3 ratings, while UDBapp averages 4.7 from 235 ratings.

### Do Dumas ISD or UDBapp have ads?

Neither Dumas ISD nor UDBapp shows ads.

### Which is updated more often, Dumas ISD or UDBapp?

Dumas ISD ships an update every 22 months, and UDBapp every 6 days. Most recently, Dumas ISD was updated on November 3, 2026 and UDBapp on November 5, 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.*