# Nevada CDL Prep Test vs ChemOasis

The clearest difference is in-app purchases: ChemOasis at none against Nevada CDL Prep Test's 1. ChemOasis also leads on ads (none vs shown) and update cadence (daily vs every 4 months). Nevada CDL Prep Test's advantage is ratings volume (22 vs 2) and iOS requirement (13.4 vs 26.5). On price, rating and device support there is nothing between them.

Both are free to download. Nevada CDL Prep Test sells 1 one-off in-app purchase. ChemOasis asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Nevada CDL Prep Test against 5.0 for ChemOasis. That said, the two scores are not equally well evidenced: Nevada CDL Prep Test has 22 ratings behind it against 2, so its average is the more settled of the two.

Nevada CDL Prep Test ships an update every 4 months, ChemOasis daily. The most recent releases landed on October 21, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Nevada CDL Prep Test | ChemOasis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (22 ratings)](https://appshunter.io/ios/app/nevada-cdl-prep-test/id1668722050/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chemoasis/id6809320316/reviews)** |
| Number of ratings | **22** | 2 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 25 MB | 5 MB |
| Requires iOS | **13.4** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Altaf Mogal](https://appshunter.io/developer/1654308061) | [Manoj Manna](https://appshunter.io/developer/6809320618) |

## What reviewers say

### Nevada CDL Prep Test

[App page](https://appshunter.io/ios/app/nevada-cdl-prep-test/id1668722050)

Prepare for your Nevada Commercial Driver's License exam with this comprehensive study tool. It offers practice tests based on the official manual, tracks your progress, and highlights areas needing improvement. Bookmark questions and review answers with explanations to ensure you're ready for the test.

**Highlights:** Comprehensive study material, Practice tests based on official manual, Progress tracking and weak question identification, Bookmark and review questions, On-the-spot results with scores, Multiple study topics covered

**Features:** macOS Compatibility

**In-app purchases (1)**

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


### ChemOasis

[App page](https://appshunter.io/ios/app/chemoasis/id6809320316)

An interactive platform for students to learn chemistry and other sciences with tools for concept explanation, practice questions, and guided learning. Instructors can use it to check answers and create worksheets.

**Highlights:** Interactive science learning, Chemistry concept explanation, Practice question generation, Worksheet creation, Guided learning modules, Chemical structure exploration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nevada CDL Prep Test free?

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

### Is ChemOasis free?

ChemOasis is free to download, with no in-app purchases.

### Which has better reviews, Nevada CDL Prep Test or ChemOasis?

ChemOasis is rated higher. Nevada CDL Prep Test averages 4.9 out of 5 from 22 ratings, while ChemOasis averages 5.0 from 2 ratings.

### Do Nevada CDL Prep Test or ChemOasis have ads?

Nevada CDL Prep Test shows ads; ChemOasis does not.

### Which is updated more often, Nevada CDL Prep Test or ChemOasis?

Nevada CDL Prep Test ships an update every 4 months, and ChemOasis daily. Most recently, Nevada CDL Prep Test was updated on October 21, 2026 and ChemOasis on October 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.*