# UDBapp Pro vs HMH Go

The clearest difference is review sentiment: UDBapp Pro at 85% against HMH Go's 22%. UDBapp Pro also leads on rating (4.8 vs 2.1) and ratings volume (2.4K vs 80). HMH Go's advantage is iOS requirement (12.0 vs 16). 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.

UDBapp Pro holds the better App Store score, 4.8 against 2.1. That said, the two scores are not equally well evidenced: UDBapp Pro has 2.4K ratings behind it against 80, so its average is the more settled of the two. Written reviews point the same way: 85% of UDBapp Pro's written reviews are positive against 22% of HMH Go's.

UDBapp Pro ships an update every 6 weeks, HMH Go every 4 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | UDBapp Pro | HMH Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.4K ratings)](https://appshunter.io/ios/app/udbapp-pro/id1455826724/reviews)** | [2.1 (80 ratings)](https://appshunter.io/ios/app/hmh-go/id1527990628/reviews) |
| Number of ratings | **2.4K** | 80 |
| Positive reviews | **85.3% of reviews** | 22.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 29 MB | 21 MB |
| Requires iOS | 16 | **12.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 9+ | 4+ |
| Developer | [Ultimate Drill Book](https://appshunter.io/developer/1455826723) | [Houghton Mifflin Harcourt](https://appshunter.io/developer/409368007) |

## What reviewers say

### UDBapp Pro

[App page](https://appshunter.io/ios/app/udbapp-pro/id1455826724)

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:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Helpful for learning drill
- 🚀 Efficient drill learning process
- 📱 Convenient digital format
- 🎨 Customizable user experience
- 🤖 Precise dot tracking

**What reviewers complain about**

- 🐛 Occasional glitches and bugs
- 🔍 Limited customization options
- 📱 Requires all students to have compatible devices
- 🕰️ Slow loading times
- 🔋 High battery consumption

**Reported bugs**

- Drill files disappearing after updates
- Attendance tracking issues
- Crashes when adding notes
- Drill visualization jumping between sets

**Requested features**

- Apple Watch integration
- Ability to create custom drill designs
- Improved note-taking functionality
- Offline drill playback
- Tempo adjustment for drill and music


### HMH Go

[App page](https://appshunter.io/ios/app/hmh-go/id1527990628)

This app provides K-12 students with on-the-go access to educational content from HMH's core curricula. It allows for offline learning, downloading materials, and utilizing media-rich features like read-along audio and annotations.

**Highlights:** Offline content access, Downloadable learning materials, Read-along audio, Annotations and highlighting, Bookmark functionality, Content management and filtering

**In-app purchases:** none


## Frequently asked questions

### Is UDBapp Pro free?

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

### Is HMH Go free?

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

### Which has better reviews, UDBapp Pro or HMH Go?

UDBapp Pro is rated higher. UDBapp Pro averages 4.8 out of 5 from 2.4K ratings, while HMH Go averages 2.1 from 80 ratings.

### Do UDBapp Pro or HMH Go have ads?

Neither UDBapp Pro nor HMH Go shows ads.

### Which is updated more often, UDBapp Pro or HMH Go?

UDBapp Pro ships an update every 6 weeks, and HMH Go every 4 months. Most recently, UDBapp Pro was updated on October 23, 2026 and HMH Go on October 24, 2026.

---

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