# UDBapp Pro vs Kennett #39 School District

The clearest difference is rating: UDBapp Pro at 4.8 against Kennett #39 School District's 4.0. UDBapp Pro also leads on ratings volume (2.4K vs 2) and device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

UDBapp Pro holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: UDBapp Pro has 2.4K ratings behind it against 2, so its average is the more settled of the two.

UDBapp Pro ships an update every 6 weeks, Kennett #39 School District every 2 months. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | UDBapp Pro | Kennett #39 School District |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.4K ratings)](https://appshunter.io/ios/app/udbapp-pro/id1455826724/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/kennett-39-school-district/id6462723000/reviews) |
| Number of ratings | **2.4K** | 2 |
| Positive reviews | 85.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 29 MB | 147 MB |
| Requires iOS | 16 | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Ultimate Drill Book](https://appshunter.io/developer/1455826723) | [Kennett School District #39](https://appshunter.io/developer/1703294432) |

## What reviewers say

### UDBapp Pro

[App page](https://appshunter.io/ios/app/udbapp-pro/id1455826724)

This app helps marching band members, directors, and teachers learn and manage drill formations. It offers animated drill views, coordinate sheets, music integration, and attendance tracking for seamless rehearsal and performance preparation.

**Highlights:** Animated drill views with music, Individual coordinate sheets, Live coordinate tracking, Sheet music integration, Attendance tracking, Tap ID for performer management, Offline mode

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Helpful for learning drill
- 🚀 Efficient drill learning process
- 📱 Convenient digital format
- 🎨 Customizable user experience
- 🤖 Precise dot tracking

**What reviewers complain about**

- 🐛 Occasional glitches and bugs
- 🔍 Limited customization options
- 📱 Requires all students to have compatible devices
- 🕰️ Slow loading times
- 🔋 High battery consumption

**Reported bugs**

- Drill files disappearing after updates
- Attendance tracking issues
- Crashes when adding notes
- Drill visualization jumping between sets

**Requested features**

- Apple Watch integration
- Ability to create custom drill designs
- Improved note-taking functionality
- Offline drill playback
- Tempo adjustment for drill and music


### Kennett #39 School District

[App page](https://appshunter.io/ios/app/kennett-39-school-district/id6462723000)

Stay informed about school events, customize notifications for your student's organizations, and access weekly cafeteria menus. Get district updates and easily find staff and department contact information.

**Highlights:** Event calendar with sharing, Customizable notifications, Weekly cafeteria menus, Live district updates, Staff and department directory

**In-app purchases:** none


## Frequently asked questions

### Is UDBapp Pro free?

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

### Is Kennett #39 School District free?

Kennett #39 School District is free to download, with no in-app purchases.

### Which has better reviews, UDBapp Pro or Kennett #39 School District?

UDBapp Pro is rated higher. UDBapp Pro averages 4.8 out of 5 from 2.4K ratings, while Kennett #39 School District averages 4.0 from 2 ratings.

### Do UDBapp Pro or Kennett #39 School District have ads?

Neither UDBapp Pro nor Kennett #39 School District shows ads.

### Which is updated more often, UDBapp Pro or Kennett #39 School District?

UDBapp Pro ships an update every 6 weeks, and Kennett #39 School District every 2 months. Most recently, UDBapp Pro was updated on November 5, 2026 and Kennett #39 School District on November 3, 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.*