# GED® Practice Test Prep 2026 vs Liquid Penetrant Study Guide

The clearest difference is price: GED® Practice Test Prep 2026 at Free against Liquid Penetrant Study Guide's $14.99. GED® Practice Test Prep 2026 also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (15.1 vs 18.5). Liquid Penetrant Study Guide's advantage is in-app purchases (none vs 9). On ads and device support there is nothing between them.

GED® Practice Test Prep 2026 is free to download; Liquid Penetrant Study Guide costs $14.99 up front. GED® Practice Test Prep 2026 sells 9 in-app purchases, starting at $4.99 per 7 days. Liquid Penetrant Study Guide asks for nothing beyond the download.

GED® Practice Test Prep 2026 ships an update every 3 weeks, Liquid Penetrant Study Guide every 2 months. The most recent releases landed on September 30, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | GED® Practice Test Prep 2026 | Liquid Penetrant Study Guide |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | **[4.7 (2.1K ratings)](https://appshunter.io/ios/app/ged-practice-test-prep-2026/id1537731875/reviews)** | — |
| Number of ratings | **2.1K** | — |
| Positive reviews | 41.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Subscription | — |
| Size | 49 MB | 2 MB |
| Requires iOS | **15.1** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LineCentury](https://appshunter.io/developer/1057772456) | [Skaggs Media LLC](https://appshunter.io/developer/1836684180) |

## What reviewers say

### GED® Practice Test Prep 2026

[App page](https://appshunter.io/ios/app/ged-practice-test-prep-2026/id1537731875)

Prepare for your GED exam with an AI tutor offering engaging, bite-sized lessons and quick quizzes. Master all GED subjects, including Language Arts, Math, Social Studies, and Science, at your own pace, anytime, anywhere. This app aims to make studying efficient and stress-free for GED success.

**Highlights:** AI Tutor available 24/7, Bite-sized lessons, Quick review quizzes, Covers all GED subjects, Learn at your own pace, Engaging and fun study methods

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GEDprep AI 1 week full access | $4.99 | per 7 days |
| GEDprep AI 1 week full access | $4.99 | per 7 days |
| GEDprep AI 1 week full access | $6.99 | per 7 days |
| GEDprep AI 1 Month full access | $19.99 | per month |
| GEDprep AI 1 Month full access | $19.99 | per month |
| GEDprep AI 1 Month full access | $24.99 | per month |
| GEDprep AI 3 Month full access | $59.99 | per 3 months |
| GEDprep AI 1 year full access | $119.99 | per year |
| Unlock everything | $10.99 | one-time |


### Liquid Penetrant Study Guide

[App page](https://appshunter.io/ios/app/liquid-penetrant-study-guide/id6752206188)

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

**In-app purchases:** none


## Frequently asked questions

### Is GED® Practice Test Prep 2026 free?

GED® Practice Test Prep 2026 is free to download, with in-app purchases available.

### Is Liquid Penetrant Study Guide free?

Liquid Penetrant Study Guide costs $14.99, with no in-app purchases.

### Do GED® Practice Test Prep 2026 or Liquid Penetrant Study Guide have ads?

Neither GED® Practice Test Prep 2026 nor Liquid Penetrant Study Guide shows ads.

### Which is updated more often, GED® Practice Test Prep 2026 or Liquid Penetrant Study Guide?

GED® Practice Test Prep 2026 ships an update every 3 weeks, and Liquid Penetrant Study Guide every 2 months. Most recently, GED® Practice Test Prep 2026 was updated on September 30, 2026 and Liquid Penetrant Study Guide on September 22, 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.*