Trojan Map vs UDBapp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Trojan Map
Navigate Carrollton High School with interactive maps highlighting restrooms, classrooms, and accessibility features. This app is exclusively for students and faculty.
- Interactive school maps
- Highlight restrooms
- Locate classroom subjects
- Find stairs and elevators
- Student and faculty access
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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
UDBapp
This app allows users to view, edit, and manage drill formations for marching bands. It offers features for both performers and directors, including animated drills, coordinate sheets, and attendance tracking. The app supports offline access and integrates with drill design software.
- View drill animations from any perspective
- Live updating coordinates and count sheets
- Annotate directly on drills with notes
- Attendance tracking and rehearsal schedules
- Offline mode for drill access
- Integration with drill design software
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NEW • Jump forward or backward, pause or reset your drill with intuitive Control Wheel • See drill in light and dark mode, set automatically from your preferences. • Annotate directly on your drill, place links and organize text notes with Field Notes and Design Notes • Access a full suite of admin-granted features via Smart Access. • NEW: Update licenses or access in UDB, and changes are reflected across all Arc products • Customize your experience, without leaving the drill, with quick settings and widgets • Tap any performer to view photo, coordinate, page information and attendance status via Geo. Features for Members • 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 • See curved and straight-line path information for previous and next sets Features for Admins and Staff • Change field perspective (performer/director) • Easily add/delete/edit drill files in your ensemble's account directly from the app • Learn and clean drill just seconds after it has been exported from Pyware by the designer • One tap access to Beam for sheet music, and Geo for attendance Differentiators • Unlimited drill uploads from Pyware, the best-in-class drill design software • Phone layout designed for one handed use • Easily find your halfway points and yard line crossing counts • Easily switch between custom views Tap ID Tap ID allows directors to see the performer labels that members have selected. Simply tap on a performer's dot while viewing the drill to see their name, photo, page information and attendance status. Multiple students can select a single performer label, so directors can easily see and manage alternates, shadows, and primary performers. Geo Calendar & Attendance See full rehearsal and performance schedule, check-in to events with multiple locations, 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 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
Verdict
The clearest difference is rating: Trojan Map at 5.0 against UDBapp's 3.4. Trojan Map also leads on iOS requirement (13.0 vs 18.0). UDBapp's advantage is update cadence (every 6 days vs every 8 months) and ratings volume (32 vs 4). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Trojan Map holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: UDBapp has 32 ratings behind it against 4, so its average is the more settled of the two.
Trojan Map ships an update every 8 months, UDBapp every 6 days. The most recent releases landed on October 9, 2026 and October 18, 2026 respectively.
| Parameter | Trojan Map | UDBapp |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 3.4 (32 ratings) |
| Positive reviews | — | 37.7% of reviews |
| Number of ratings | 4 | 32 — better |
| Update frequency | Every 8 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 7 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Robby Blakemore | Ultimate Drill Book |
Customer experience
Trojan Map
UDBapp
In-app purchases
Trojan Map
No in-app purchases
UDBapp
No in-app purchases









