UDBapp Pro vs SLW Centennial HS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UDBapp Pro
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.
- Animated drill views with music
- Individual coordinate sheets
- Live coordinate tracking
- Sheet music integration
- Attendance tracking
- Tap ID for performer management
- Offline mode
Read full descriptionHide full description
Get the app used by hundreds of thousands of marchers, directors, and teachers around the world. Features for Students • Watch the drill animation while listening to the music from any perspective (performer or director). • View your individual coordinate sheet for sets in a song or counts in a set. • Follow your drill count by count with live updating coordinates. • UDB view shows curved and straight-line path information for previous and next sets. • Student leadership can access everyone’s drill information. • Learn and clean drill in seconds after it's been exported from Pyware by the designer. Features for Directors and Staff • Tap any performer to view coordinate and UDB view information. • Change field perspective (performer/director). • Easily add/delete/edit drill files in your ensemble's account directly from your app. • Learn and clean drill in seconds after it's been exported from Pyware by the designer. Sheet Music Integration • One tap access to Beam • Import music and scores from cloud services like Dropbox and Google Drive or take a picture. • Sync the drill and music with drill tabs. • Annotate music with integrated icons and helpful tools. Differentiators • Phone layout designed for one handed use • Easily find your midway points and yard line crossing counts • Easily switch between custom views Tap ID • Tap ID allows directors to see the performer labels that your students have selected. Simply tap on a performer's dot while viewing the drill to see their name and photo. Multiple students can select a single performer label so directors can easily see and manage alternates, shadows, and primary performers. Calendar + Attendance • See your full rehearsal and performance schedule, check-in to events, and track attendance throughout the season. • Use Live Attendance to get a real-time view of who is at rehearsal and who is not. Offline Mode • Offline mode allows a director to restrict access to Ultimate Drill Book if selected users are connected to the internet. If not activated, all users will be able to access Ultimate Drill Book even if connected to a WiFi or cellular connection.
SLW Centennial HS
This app connects parents, students, teachers, and administrators with essential school resources, news, and information. It provides quick access to important updates, interactive tools like event calendars, and online resources to keep the school community informed.
- School news updates
- Interactive event calendars
- Access to online resources
- Stay connected with the school community
- Information for parents, students, and staff
Read full descriptionHide full description
The SLW Centennial HS app enables parents, students, teachers and administrators to quickly access the resources, tools, news and information to stay connected and informed! The SLW Centennial HS app features: - Important news from your school - Interactive resources including event calendars and more - Quick access to online resources
Screenshots
Verdict
The clearest difference is review sentiment: UDBapp Pro at 85% against SLW Centennial HS's 17%. UDBapp Pro also leads on rating (4.8 vs 2.2) and ratings volume (2.4K vs 113). SLW Centennial HS's advantage is iOS requirement (13.0 vs 16). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 2.2. That said, the two scores are not equally well evidenced: UDBapp Pro has 2.4K ratings behind it against 113, so its average is the more settled of the two. Written reviews point the same way: 85% of UDBapp Pro's written reviews are positive against 17% of SLW Centennial HS's.
UDBapp Pro ships an update every 6 weeks, SLW Centennial HS monthly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | UDBapp Pro | SLW Centennial HS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (2.4K ratings) — better | 2.2 (113 ratings) |
| Positive reviews | 85.3% of reviews — better | 16.7% of reviews |
| Number of ratings | 2.4K — better | 113 |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 16 | 13.0 — better |
| Further details — not scored | ||
| Size | 29 MB | 70 MB |
| Age rating | 9+ | 4+ |
| Developer | Ultimate Drill Book | St. Lucie Public Schools |
Customer experience
UDBapp Pro
SLW Centennial HS
Bugs and requests
UDBapp Pro
Reported bugs
4 issues- Drill files disappearing after updates
- Attendance tracking issues
- Crashes when adding notes
- Drill visualization jumping between sets
Requested features
5 requests- Apple Watch integration
- Ability to create custom drill designs
- Improved note-taking functionality
- Offline drill playback
- Tempo adjustment for drill and music
SLW Centennial HS
Not enough reviews yet to summarise bugs or requests.
In-app purchases
UDBapp Pro
No in-app purchases
SLW Centennial HS
No in-app purchases
Questions
Is UDBapp Pro free?
Is SLW Centennial HS free?
Which has better reviews, UDBapp Pro or SLW Centennial HS?
Do UDBapp Pro or SLW Centennial HS have ads?
Which is updated more often, UDBapp Pro or SLW Centennial HS?
Other comparisons
