# Underwood School District, ND vs ND CDL Prep Test

The clearest difference is in-app purchases: Underwood School District, ND at none against ND CDL Prep Test's 1. Underwood School District, ND also leads on ads (none vs shown). ND CDL Prep Test's advantage is device support (3 vs 1) and iOS requirement (13.4 vs 16.0). On price and update cadence there is nothing between them.

Both are free to download. ND CDL Prep Test sells 1 one-off in-app purchase. Underwood School District, ND asks for nothing beyond the download.

Underwood School District, ND ships an update every 3 months, ND CDL Prep Test every 4 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Underwood School District, ND | ND CDL Prep Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/nd-cdl-prep-test/id1668788821/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 115 MB | 25 MB |
| Requires iOS | 16.0 | **13.4** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Underwood School District 8](https://appshunter.io/developer/1475911321) | [Altaf Mogal](https://appshunter.io/developer/1654308061) |

## What reviewers say

### Underwood School District, ND

[App page](https://appshunter.io/ios/app/underwood-school-district-nd/id1475911322)

**In-app purchases:** none


### ND CDL Prep Test

[App page](https://appshunter.io/ios/app/nd-cdl-prep-test/id1668788821)

Prepare for your North Dakota Commercial Driver's License exam with comprehensive study materials and practice tests. Track your progress, bookmark difficult questions, and review answers with explanations to focus your learning and improve your chances of passing.

**Highlights:** Comprehensive study topics, Practice multiple-choice questions, Progress tracking and weak question identification, Bookmark questions for later review, On-the-spot test results with scores, Review test questions with answers and explanations

**Features:** macOS Compatibility

**In-app purchases (1)**

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


## Frequently asked questions

### Is Underwood School District, ND free?

Underwood School District, ND is free to download, with no in-app purchases.

### Is ND CDL Prep Test free?

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

### Do Underwood School District, ND or ND CDL Prep Test have ads?

ND CDL Prep Test shows ads; Underwood School District, ND does not.

### Which is updated more often, Underwood School District, ND or ND CDL Prep Test?

Underwood School District, ND ships an update every 3 months, and ND CDL Prep Test every 4 months. Most recently, Underwood School District, ND was updated on October 29, 2026 and ND CDL Prep Test on October 24, 2026.

---

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