# North Carolina CDL Permit Test vs Plumbing 3D IPC Code Learning

The clearest difference is price: North Carolina CDL Permit Test at Free against Plumbing 3D IPC Code Learning's $4.99. North Carolina CDL Permit Test also leads on iOS requirement (15.0 vs 17.0). Plumbing 3D IPC Code Learning's advantage is in-app purchases (none vs 5) and ads (none vs shown). On device support there is nothing between them.

North Carolina CDL Permit Test is free to download; Plumbing 3D IPC Code Learning costs $4.99 up front. North Carolina CDL Permit Test sells 5 in-app purchases, starting at $2.99 per 7 days. Plumbing 3D IPC Code Learning asks for nothing beyond the download.

North Carolina CDL Permit Test ships an update every 10 months, Plumbing 3D IPC Code Learning every 4 months. The most recent releases landed on October 20, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | North Carolina CDL Permit Test | Plumbing 3D IPC Code Learning |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.8 (53 ratings)](https://appshunter.io/ios/app/north-carolina-cdl-permit-test/id1585492010/reviews)** | — |
| Number of ratings | **53** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Every 4 months** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | — | **#198** |
| Size | 68 MB | 23 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [S Mehta](https://appshunter.io/developer/1485831498) | [Yuhsiu Lai](https://appshunter.io/developer/433114647) |

## What reviewers say

### North Carolina CDL Permit Test

[App page](https://appshunter.io/ios/app/north-carolina-cdl-permit-test/id1585492010)

Prepare for your North Carolina CDL certification exam with practice tests based on official state manuals. This app offers real questions and various test modes to help you pass on your first try.

**Highlights:** Practice tests based on official manuals, Actual CDL questions, Signs test, Fines & limits information, Progress statistics, Friendly user interface

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Go Premium - 7 Days | $2.99 | per 7 days |
| Go Premium - 1 Month | $7.99 | per month |
| Remove Banner Ads | $2.99 | one-time |
| Remove Full Screen ads | $3.99 | one-time |
| Premium Access - LifeTime | $14.99 | one-time |


### Plumbing 3D IPC Code Learning

[App page](https://appshunter.io/ios/app/plumbing-3d-ipc-code-learning/id6774491840)

**Currently charting:** #198 Top Paid · Education (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is North Carolina CDL Permit Test free?

North Carolina CDL Permit Test is free to download, with in-app purchases available.

### Is Plumbing 3D IPC Code Learning free?

Plumbing 3D IPC Code Learning costs $4.99, with no in-app purchases.

### Do North Carolina CDL Permit Test or Plumbing 3D IPC Code Learning have ads?

North Carolina CDL Permit Test shows ads; Plumbing 3D IPC Code Learning does not.

### Which is updated more often, North Carolina CDL Permit Test or Plumbing 3D IPC Code Learning?

North Carolina CDL Permit Test ships an update every 10 months, and Plumbing 3D IPC Code Learning every 4 months. Most recently, North Carolina CDL Permit Test was updated on October 20, 2026 and Plumbing 3D IPC Code Learning on October 12, 2026.

---

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