Comparison

UDBapp Pro vs Attendzy

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

Head to head
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
Read 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.

About

Attendzy

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
Read full description

Attendzy transforms how educators manage attendance. The companion app is built for teachers, professors, TAs, and classroom leaders, putting everything you need right in your pocket. WHY ATTENDZY? Skip the paper, skip the clipboards. Attendzy gets students checked-in more accurately and instantly. No student app required. Includes a simple click, tap, or QR code scan with a rotating pin. Watch attendance populate in real time, manage multiple courses from one place, and stay in sync with your dashboard automatically. COMPANION APP FEATURES - Instant secure login with Face ID or Touch ID - One-tap session control to start, pause, and end class - Live attendance dashboard with real-time check-in visibility - Rotating session codes and geofencing to prevent check-in fraud - Push notifications for live student feedback and questions - Full roster management across multiple courses - Two-way sync with the Attendzy web platform Attendzy goes beyond live attendance data to power every moment of your course; with built-in event check-ins, surveys, quizzes, polls, flashcards, peer evaluations, and mobile Jeoparzy, all in the mobile companion app.

Screenshots

UDBapp Pro4 screens
Attendzy4 screens

Verdict

The call

The clearest difference is ratings volume: UDBapp Pro at 2.3K against Attendzy's 1. Attendzy's advantage is rating (5.0 vs 4.8). 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

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

Attendzy holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: UDBapp Pro has 2.3K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

UDBapp Pro ships an update every 6 weeks, Attendzy every 3 weeks. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

Scorecard2 real differences · 8 level
UDBapp Pro versus Attendzy: the parameters behind the verdict, then further details
ParameterUDBapp ProAttendzy
PriceFreeFree
Rating4.8 (2.3K ratings)5.0 (1 ratings) — better
Positive reviews85.3% of reviews—
Number of ratings2.3K — better1
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS1615.1 — better
Further details — not scored
Size29 MB30 MB
Age rating9+4+
DeveloperUltimate Drill BookCXelerate, LLC

Customer experience

UDBapp Pro

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

Attendzy

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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

Attendzy

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

UDBapp Pro

No in-app purchases

None

Attendzy

No in-app purchases

Questions

Is UDBapp Pro free?
UDBapp Pro is free to download, with no in-app purchases.
Is Attendzy free?
Attendzy is free to download, with no in-app purchases.
Which has better reviews, UDBapp Pro or Attendzy?
Attendzy is rated higher. UDBapp Pro averages 4.8 out of 5 from 2.3K ratings, while Attendzy averages 5.0 from 1 ratings.
Do UDBapp Pro or Attendzy have ads?
Neither UDBapp Pro nor Attendzy shows ads.
Which is updated more often, UDBapp Pro or Attendzy?
UDBapp Pro ships an update every 6 weeks, and Attendzy every 3 weeks. Most recently, UDBapp Pro was updated on October 13, 2026 and Attendzy on October 15, 2026.

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