# Constellation for UAGC vs PDG Mastery

The clearest difference is rating: PDG Mastery at 4.8 against Constellation for UAGC's 2.3. Constellation for UAGC's advantage is in-app purchases (none vs 7). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. PDG Mastery sells 7 in-app purchases, starting at $6.49 per month. Constellation for UAGC asks for nothing beyond the download.

PDG Mastery holds the better App Store score, 4.8 against 2.3. Both are backed by a comparable volume of ratings — 58 and 63 respectively. Written reviews point the same way: 15% of Constellation for UAGC's written reviews are positive against 17% of PDG Mastery's.

Constellation for UAGC ships an update every 3 months, PDG Mastery every 2 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Constellation for UAGC | PDG Mastery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (58 ratings)](https://appshunter.io/ios/app/constellation-for-uagc/id444832035/reviews) | **[4.8 (63 ratings)](https://appshunter.io/ios/app/pdg-mastery-promote-to-e5-e6/id1635325038/reviews)** |
| Number of ratings | 58 | **63** |
| Positive reviews | 14.7% of reviews | **16.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 23 MB | 60 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [University of Arizona](https://appshunter.io/developer/437682109) | [PDG APPS SRL](https://appshunter.io/developer/1564413494) |

## What reviewers say

### Constellation for UAGC

[App page](https://appshunter.io/ios/app/constellation-for-uagc/id444832035)

Access engaging course materials designed to master degree program goals. Highlight key points, take notes, and easily navigate content. Sync your progress across devices and check your knowledge with assessments.

**Highlights:** One-touch highlighting, Note-taking, Notebook for notes and highlights, Table of contents navigation, Search functionality, Knowledge checks (assessments), Automatic resume last read section, Sync highlights and notes

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Great for on-the-go reading
- 👍 Simplistic and completes purpose
- 👍 Helpful for studying
- 👍 Notes and highlights saved
- 👍 Accessible textbooks

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 Cannot download books
- 🐛 Login authentication issues
- 🐛 Navigation problems
- 🐛 Toolbar not visible

**Reported bugs**

- App crashes on opening
- Login authentication fails
- Books won't download
- Toolbar invisible/unreadable
- Navigation icons not visible

**Requested features**

- Dark mode option
- Audio option for books
- Diversify highlight and notepad colors
- Font size adjustment
- Ability to delete highlights


### PDG Mastery

[App page](https://appshunter.io/ios/app/pdg-mastery-promote-to-e5-e6/id1635325038)

Prepare for military promotion exams with comprehensive study materials, practice questions, and exam simulators. Master all testable chapters and develop effective study strategies to boost your confidence and achieve a high score.

**Highlights:** Master AFH 1 chapters, Exam simulators, 3000+ practice questions, Score prediction, Motivation techniques, Progress tracking, Latest content updates

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Special Offer | $6.49 | per month |
| 1 Week | $6.99 | per 7 days |
| Special Offer | $8.49 | per 3 months |
| 1 Month | $8.99 | per month |
| 1 Month | $12.99 | per month |
| 3 Months | $16.99 | per 3 months |
| Lifetime Access | $39.99 | one-time |


## Frequently asked questions

### Is Constellation for UAGC free?

Constellation for UAGC is free to download, with no in-app purchases.

### Is PDG Mastery free?

PDG Mastery is free to download, with in-app purchases available.

### Which has better reviews, Constellation for UAGC or PDG Mastery?

PDG Mastery is rated higher. Constellation for UAGC averages 2.3 out of 5 from 58 ratings, while PDG Mastery averages 4.8 from 63 ratings.

### Do Constellation for UAGC or PDG Mastery have ads?

Neither Constellation for UAGC nor PDG Mastery shows ads.

### Which is updated more often, Constellation for UAGC or PDG Mastery?

Constellation for UAGC ships an update every 3 months, and PDG Mastery every 2 months. Most recently, Constellation for UAGC was updated on October 20, 2026 and PDG Mastery on October 24, 2026.

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