# HiSET® Test Prep vs Oklahoma CDL Prep Test

The clearest difference is price: Oklahoma CDL Prep Test at Free against HiSET® Test Prep's $4.99. Oklahoma CDL Prep Test also leads on rating (4.4 vs 3.5) and update cadence (every 4 months vs every 75 months). HiSET® Test Prep's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Oklahoma CDL Prep Test is free to download; HiSET® Test Prep costs $4.99 up front. Oklahoma CDL Prep Test sells 1 one-off in-app purchase. HiSET® Test Prep asks for nothing beyond the download.

Oklahoma CDL Prep Test holds the better App Store score, 4.4 against 3.5. That said, the two scores are not equally well evidenced: Oklahoma CDL Prep Test has 12 ratings behind it against 2, so its average is the more settled of the two.

HiSET® Test Prep ships an update every 75 months, Oklahoma CDL Prep Test every 4 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | HiSET® Test Prep | Oklahoma CDL Prep Test |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/hiset-test-prep/id1498261120/reviews) | **[4.4 (12 ratings)](https://appshunter.io/ios/app/oklahoma-cdl-prep-test/id1668790610/reviews)** |
| Number of ratings | 2 | **12** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 75 months | **Every 4 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 32 MB | 25 MB |
| Requires iOS | 16.0 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Instant Test Prep LLC](https://appshunter.io/developer/1369582513) | [Altaf Mogal](https://appshunter.io/developer/1654308061) |

## What reviewers say

### HiSET® Test Prep

[App page](https://appshunter.io/ios/app/hiset-test-prep/id1498261120)

Prepare for your HiSET high school equivalency exam with a comprehensive practice test featuring over 200 questions and an essay guide. Get instant scoring and detailed explanations for every question to build your skills and knowledge.

**Highlights:** Over 200 practice questions, Full-length practice test, Interactive scoring, Detailed explanations, Essay writing guide, Subject-specific tests (Math, Reading, Writing, Science, Social Studies)

**Features:** macOS Compatibility

**In-app purchases:** none


### Oklahoma CDL Prep Test

[App page](https://appshunter.io/ios/app/oklahoma-cdl-prep-test/id1668790610)

Prepare for your Oklahoma Commercial Driver's License exam with interactive study materials and practice tests. Track your progress, bookmark difficult questions, and review answers with explanations to focus your learning and pass your CDL test.

**Highlights:** Comprehensive study topics, Practice questions based on official manual, Progress tracking and weak question identification, Bookmark questions for later review, On-the-spot results with scores, Review test questions with explanations, Multiple endorsement practice

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is HiSET® Test Prep free?

HiSET® Test Prep costs $4.99, with no in-app purchases.

### Is Oklahoma CDL Prep Test free?

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

### Which has better reviews, HiSET® Test Prep or Oklahoma CDL Prep Test?

Oklahoma CDL Prep Test is rated higher. HiSET® Test Prep averages 3.5 out of 5 from 2 ratings, while Oklahoma CDL Prep Test averages 4.4 from 12 ratings.

### Do HiSET® Test Prep or Oklahoma CDL Prep Test have ads?

Oklahoma CDL Prep Test shows ads; HiSET® Test Prep does not.

### Which is updated more often, HiSET® Test Prep or Oklahoma CDL Prep Test?

HiSET® Test Prep ships an update every 75 months, and Oklahoma CDL Prep Test every 4 months. Most recently, HiSET® Test Prep was updated on November 3, 2026 and Oklahoma CDL Prep Test on November 7, 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.*