Comparison

UDBapp Pro vs Trojan Map

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

Trojan Map

Navigate Carrollton High School with interactive maps highlighting restrooms, classrooms, and accessibility features. This app is exclusively for students and faculty.

Highlights
  • Interactive school maps
  • Highlight restrooms
  • Locate classroom subjects
  • Find stairs and elevators
  • Student and faculty access
Features
Read full description

Find your way around Carrollton High School (Georgia). You MUST be a student or faculty member to access maps of the school. Use the interactive controls to highlight: restrooms, classroom subjects, or stairs and elevators. Lead Developers: Will Nixon, Zeke Ussery, Brantley Colquitt Contributors: Christian George, Logan Moore, Devin Smith, McKenzie Miller, Brandon Harper, Ben Parker, Zaylen Almond, Jordan Benton, Dexter Blount, Salvador Garcia, Martin Drupiewski, Tucker Waldrop, Sean Wheeler Designer: Vanessa Phasavath

Screenshots

UDBapp Pro4 screens
Trojan Map1 screens

Verdict

The call

The clearest difference is update cadence: UDBapp Pro at every 6 weeks against Trojan Map's every 8 months. UDBapp Pro also leads on ratings volume (2.3K vs 4). Trojan Map's advantage is rating (5.0 vs 4.8) and iOS requirement (13.0 vs 16). 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

Trojan Map 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 4, so its average is the more settled of the two.

UpkeepUpdate frequency

UDBapp Pro ships an update every 6 weeks, Trojan Map every 8 months. The most recent releases landed on September 21, 2026 and June 5, 2026 respectively.

Scorecard4 real differences · 6 level
UDBapp Pro versus Trojan Map: the parameters behind the verdict, then further details
ParameterUDBapp ProTrojan Map
PriceFreeFree
Rating4.8 (2.3K ratings)5.0 (4 ratings) — better
Positive reviews85.3% of reviews—
Number of ratings2.3K — better4
Update frequencyEvery 6 weeks — betterEvery 8 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS1613.0 — better
Further details — not scored
Size29 MB7 MB
Age rating9+4+
DeveloperUltimate Drill BookRobby Blakemore

Customer experience

UDBapp Pro

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

Trojan Map

All ratings4 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

Trojan Map

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

UDBapp Pro

No in-app purchases

None

Trojan Map

No in-app purchases

Questions

Is UDBapp Pro free?
UDBapp Pro is free to download, with no in-app purchases.
Is Trojan Map free?
Trojan Map is free to download, with no in-app purchases.
Which has better reviews, UDBapp Pro or Trojan Map?
Trojan Map is rated higher. UDBapp Pro averages 4.8 out of 5 from 2.3K ratings, while Trojan Map averages 5.0 from 4 ratings.
Do UDBapp Pro or Trojan Map have ads?
Neither UDBapp Pro nor Trojan Map shows ads.
Which is updated more often, UDBapp Pro or Trojan Map?
UDBapp Pro ships an update every 6 weeks, and Trojan Map every 8 months. Most recently, UDBapp Pro was updated on September 21, 2026 and Trojan Map on June 5, 2026.

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