# Constellation for UAGC vs Peterson's Test Prep

The clearest difference is review sentiment: Peterson's Test Prep at 61% against Constellation for UAGC's 15%. Peterson's Test Prep also leads on rating (4.5 vs 2.3) and update cadence (every 2 months vs every 3 months). Constellation for UAGC's advantage is in-app purchases (none vs 3) and iOS requirement (11.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. Peterson's Test Prep sells 3 in-app purchases, starting at $58.99 per month. Constellation for UAGC asks for nothing beyond the download.

Peterson's Test Prep holds the better App Store score, 4.5 against 2.3. That said, the two scores are not equally well evidenced: Peterson's Test Prep has 330 ratings behind it against 58, so its average is the more settled of the two. Written reviews point the same way: 15% of Constellation for UAGC's written reviews are positive against 61% of Peterson's Test Prep's.

Constellation for UAGC ships an update every 3 months, Peterson's Test Prep every 2 months. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Constellation for UAGC | Peterson's Test Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (58 ratings)](https://appshunter.io/ios/app/constellation-for-uagc/id444832035/reviews) | **[4.5 (330 ratings)](https://appshunter.io/ios/app/petersons-test-prep/id1547771930/reviews)** |
| Number of ratings | 58 | **330** |
| Positive reviews | 14.7% of reviews | **61.1% 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 | 29 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [University of Arizona](https://appshunter.io/developer/437682109) | [Peterson's, LLC](https://appshunter.io/developer/1468090485) |

## 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


### Peterson's Test Prep

[App page](https://appshunter.io/ios/app/petersons-test-prep/id1547771930)

Prepare for standardized tests to achieve your educational and career goals. Access a vast library of courses and practice materials for college entrance, military, and professional certifications. Syncs seamlessly with a web platform for flexible learning.

**Highlights:** Diagnostic tests, Practice exams, Interactive lessons, Flashcards, Expert strategies, Web-based access, Cross-platform syncing

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $58.99 | per month |
| 3 months | $134.99 | per 3 months |
| 6 months | $234.99 | per 6 months |

**What reviewers like**

- 👍 Great for ACT/SAT prep
- 👍 Excellent ASVAB prep
- 👍 Good for DSST exams
- 👍 Helpful for CLEP exams
- 👍 Useful for HSPT test prep

**What reviewers complain about**

- 😞 Outdated DSST material
- 😞 DSST content not representative
- 😞 Practice exams don't cover instructional material
- 😞 Expensive subscription prices
- 😞 App is slow to load

**Reported bugs**

- Practice tests won't load
- App keeps closing when opening practice exams
- Flashcards and study material are blank
- Videos don't load properly
- App intermittently freezes

**Requested features**

- Ability to revisit test questions and answers for review
- More comprehensive DSST study material
- Update outdated content
- Fix drag-and-drop functionality on mobile
- Improve customer service responsiveness


## Frequently asked questions

### Is Constellation for UAGC free?

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

### Is Peterson's Test Prep free?

Peterson's Test Prep is free to download, with in-app purchases available.

### Which has better reviews, Constellation for UAGC or Peterson's Test Prep?

Peterson's Test Prep is rated higher. Constellation for UAGC averages 2.3 out of 5 from 58 ratings, while Peterson's Test Prep averages 4.5 from 330 ratings.

### Do Constellation for UAGC or Peterson's Test Prep have ads?

Neither Constellation for UAGC nor Peterson's Test Prep shows ads.

### Which is updated more often, Constellation for UAGC or Peterson's Test Prep?

Constellation for UAGC ships an update every 3 months, and Peterson's Test Prep every 2 months. Most recently, Constellation for UAGC was updated on October 20, 2026 and Peterson's Test Prep on October 15, 2026.

---

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