# General Knowledge Test Prep vs PSI Test Prep

The clearest difference is review sentiment: PSI Test Prep at 63% against General Knowledge Test Prep's 0%. PSI Test Prep also leads on price (Free vs $4.99) and rating (4.8 vs 2.8). General Knowledge Test Prep's advantage is in-app purchases (none vs 20) and iOS requirement (11.0 vs 16.4). On ads and device support there is nothing between them.

PSI Test Prep is free to download; General Knowledge Test Prep costs $4.99 up front. PSI Test Prep sells 20 one-off in-app purchases. General Knowledge Test Prep asks for nothing beyond the download.

PSI Test Prep holds the better App Store score, 4.8 against 2.8. That said, the two scores are not equally well evidenced: PSI Test Prep has 4.2K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of General Knowledge Test Prep's written reviews are positive against 63% of PSI Test Prep's.

General Knowledge Test Prep ships an update every 11 months, PSI Test Prep every 5 weeks. The most recent releases landed on August 21, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | General Knowledge Test Prep | PSI Test Prep |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [2.8 (5 ratings)](https://appshunter.io/ios/app/general-knowledge-test-prep/id1277234086/reviews) | **[4.8 (4.2K ratings)](https://appshunter.io/ios/app/psi-test-prep/id1565909858/reviews)** |
| Number of ratings | 5 | **4.2K** |
| Positive reviews | 0.0% of reviews | **63.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 23 MB | 102 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bravo Zulu Apps LLC](https://appshunter.io/developer/1000879252) | [Memorang](https://appshunter.io/developer/1011440560) |

## What reviewers say

### General Knowledge Test Prep

[App page](https://appshunter.io/ios/app/general-knowledge-test-prep/id1277234086)

Prepare for your FAA AMT General Knowledge Exam with this app. It offers a simple interface, progress tracking, and randomized questions to simulate the real test. Study all questions and answers, or take quizzes and full tests offline.

**Highlights:** Offline access, Progress tracking, Randomized questions, Zoomable figures, Quiz and Test modes, Study mode

**In-app purchases:** none


### PSI Test Prep

[App page](https://appshunter.io/ios/app/psi-test-prep/id1565909858)

Prepare for licensure exams with practice questions, detailed progress tracking, and custom study sessions. Access explanations and references to pinpoint areas for improvement before test day. Upgrade for full access to question sets.

**Highlights:** Practice questions, Detailed progress tracking, Custom study sessions, Explanations and references, Topic breakdowns, Calendar countdown

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

**In-app purchases (20)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Life, Accident and Health | $29.99 | one-time |
| Property & Casualty Insurance | $29.99 | one-time |
| National Salesperson | $29.99 | one-time |
| Real Estate Broker | $29.99 | one-time |
| Barber Study-Pack | $29.99 | one-time |
| Cosmetologist Study-Pack | $29.99 | one-time |
| Esthetician Study-Pack | $29.99 | one-time |
| Real Estate Salesperson (New) | $29.99 | one-time |
| National RealEstate Saleperson | $49.99 | one-time |
| Real Estate Broker - 1 Month | $49.99 | one-time |
| Barber Study-Pack | $49.99 | one-time |
| Cosmetologist Study-Pack | $49.99 | one-time |
| Esthetician Study-Pack | $49.99 | one-time |
| Real Estate Salesperson (New) | $49.99 | one-time |
| Real Estate Salesperson | $59.99 | one-time |
| Real Estate Broker - 12 Months | $59.99 | one-time |
| Esthetician Study-Pack | $59.99 | one-time |
| Real Estate Salesperson (New) | $69.99 | one-time |
| Barber Study-Pack | $74.99 | one-time |
| Cosmetologist Study-Pack | $74.99 | one-time |

**What reviewers like**

- 🚀 Excellent preparation for the test
- 👍 Convenient and efficient study tool
- 🚀 Helpful for understanding concepts and questions
- 👍 Provides a better understanding of the exam

**What reviewers complain about**

- 🐛 Questions not formatted the same as the actual test
- 🐛 Questions not up-to-date with the latest exam format
- 🐛 Inconsistent answers and prompts
- 💰 Overpriced for the quality of the content
- 🐛 Glitchy and buggy app experience

**Reported bugs**

- Math questions have incorrect answers
- App goes into a full white screen
- Upgrade to full version not working

**Requested features**

- Update questions to match the latest exam format
- Add state-specific practice options
- Improve customer support and responsiveness


## Frequently asked questions

### Is General Knowledge Test Prep free?

General Knowledge Test Prep costs $4.99, with no in-app purchases.

### Is PSI Test Prep free?

PSI Test Prep is free to download, with in-app purchases available.

### Which has better reviews, General Knowledge Test Prep or PSI Test Prep?

PSI Test Prep is rated higher. General Knowledge Test Prep averages 2.8 out of 5 from 5 ratings, while PSI Test Prep averages 4.8 from 4.2K ratings.

### Do General Knowledge Test Prep or PSI Test Prep have ads?

Neither General Knowledge Test Prep nor PSI Test Prep shows ads.

### Which is updated more often, General Knowledge Test Prep or PSI Test Prep?

General Knowledge Test Prep ships an update every 11 months, and PSI Test Prep every 5 weeks. Most recently, General Knowledge Test Prep was updated on August 21, 2026 and PSI Test Prep on September 25, 2026.

---

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