# Marching Mapper Buddy vs UDBapp

The clearest difference is update cadence: UDBapp at every 6 days against Marching Mapper Buddy's every 3 weeks. Marching Mapper Buddy's advantage is iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Marching Mapper Buddy ships an update every 3 weeks, UDBapp every 6 days. The most recent releases landed on August 18, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Marching Mapper Buddy | UDBapp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/udbapp-powered-by-arc/id6762600003/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 40.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | — | Free |
| Size | 19 MB | 42 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Christian Price](https://appshunter.io/developer/1880192070) | [Ultimate Drill Book](https://appshunter.io/developer/1455826723) |

## What reviewers say

### Marching Mapper Buddy

[App page](https://appshunter.io/ios/app/marching-mapper-buddy/id6759683433)

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

**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 Marching Mapper Buddy free?

Marching Mapper Buddy is free to download, with no in-app purchases.

### Is UDBapp free?

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

### Do Marching Mapper Buddy or UDBapp have ads?

Neither Marching Mapper Buddy nor UDBapp shows ads.

### Which is updated more often, Marching Mapper Buddy or UDBapp?

Marching Mapper Buddy ships an update every 3 weeks, and UDBapp every 6 days. Most recently, Marching Mapper Buddy was updated on August 18, 2026 and UDBapp on September 24, 2026.

---

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