Comparison

PellaSchools vs UDBapp Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PellaSchools

This app serves as a central hub for all Pella Schools information. Access the event calendar with filtering options, view school lunch menus, and submit transportation changes easily.

Highlights
  • Event calendar with school building filters
  • Customizable event time spans
  • Add events to personal calendar
  • School lunch menus by building and meal
  • View upcoming menus
  • Submit transportation changes
Features
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Your "one stop app" for everything Pella Schools. Event Calendar: - Filter events by school building - Custom time span of events - Add individual events to your calendar Menu Calendar: - View menus by school building and/or meal - View upcoming menus Transportation Change: - Submit a transportation change

About

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.

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
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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.

Screenshots

PellaSchools4 screens
UDBapp Pro4 screens

Verdict

The call

The clearest difference is ratings volume: UDBapp Pro at 2.4K against PellaSchools's 7. UDBapp Pro also leads on rating (4.8 vs 4.4) and update cadence (every 6 weeks vs every 7 months). On price, ads, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

UDBapp Pro holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: UDBapp Pro has 2.4K ratings behind it against 7, so its average is the more settled of the two.

UpkeepUpdate frequency

PellaSchools ships an update every 7 months, UDBapp Pro every 6 weeks. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
PellaSchools versus UDBapp Pro: the parameters behind the verdict, then further details
ParameterPellaSchoolsUDBapp Pro
PriceFreeFree
Rating4.4 (7 ratings)4.8 (2.4K ratings) — better
Positive reviews—85.3% of reviews
Number of ratings72.4K — better
Update frequencyEvery 7 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.6 — better16
Further details — not scored
Size1 MB29 MB
Age rating4+9+
DeveloperPella Community School DistrictUltimate Drill Book

Customer experience

PellaSchools

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%

UDBapp Pro

All ratings2,313 ratings
Positive94.8%
Neutral0.7%
Negative4.5%
Written reviews177 reviews
Positive85.3%
Neutral2.8%
Negative11.9%

Bugs and requests

PellaSchools

Not enough reviews yet to summarise bugs or 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

In-app purchases

None

PellaSchools

No in-app purchases

None

UDBapp Pro

No in-app purchases

Questions

Is PellaSchools free?
PellaSchools is free to download, with no in-app purchases.
Is UDBapp Pro free?
UDBapp Pro is free to download, with no in-app purchases.
Which has better reviews, PellaSchools or UDBapp Pro?
UDBapp Pro is rated higher. PellaSchools averages 4.4 out of 5 from 7 ratings, while UDBapp Pro averages 4.8 from 2.4K ratings.
Do PellaSchools or UDBapp Pro have ads?
Neither PellaSchools nor UDBapp Pro shows ads.
Which is updated more often, PellaSchools or UDBapp Pro?
PellaSchools ships an update every 7 months, and UDBapp Pro every 6 weeks. Most recently, PellaSchools was updated on November 2, 2026 and UDBapp Pro on November 5, 2026.

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