# Trojan Map vs UDBapp

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.

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 21, 2026 respectively.

## The numbers

| Metric | Trojan Map | UDBapp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/trojan-map/id1589143350/reviews)** | [3.4 (32 ratings)](https://appshunter.io/ios/app/udbapp-powered-by-arc/id6762600003/reviews) |
| Number of ratings | 4 | **32** |
| Positive reviews | — | 37.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 days** |
| Monetization | Free | Free |
| Size | 7 MB | 43 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Robby Blakemore](https://appshunter.io/developer/1293541886) | [Ultimate Drill Book](https://appshunter.io/developer/1455826723) |

## What reviewers say

### Trojan Map

[App page](https://appshunter.io/ios/app/trojan-map/id1589143350)

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:** macOS Compatibility

**In-app purchases:** none


### UDBapp

[App page](https://appshunter.io/ios/app/udbapp-powered-by-arc/id6762600003)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Trojan Map free?

Trojan Map is free to download, with no in-app purchases.

### Is UDBapp free?

UDBapp is free to download, with no in-app purchases.

### Which has better reviews, Trojan Map or UDBapp?

Trojan Map is rated higher. Trojan Map averages 5.0 out of 5 from 4 ratings, while UDBapp averages 3.4 from 32 ratings.

### Do Trojan Map or UDBapp have ads?

Neither Trojan Map nor UDBapp shows ads.

### Which is updated more often, Trojan Map or UDBapp?

Trojan Map ships an update every 8 months, and UDBapp every 6 days. Most recently, Trojan Map was updated on October 9, 2026 and UDBapp on October 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*