# Master Plumber Test vs Plumbing 3D IPC Code Learning

The clearest difference is price: Master Plumber Test at Free against Plumbing 3D IPC Code Learning's $19.99. Master Plumber Test also leads on update cadence (every 3 weeks vs every 3 months). Plumbing 3D IPC Code Learning's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Master Plumber Test is free to download; Plumbing 3D IPC Code Learning costs $19.99 up front. Master Plumber Test sells 2 in-app purchases, starting at $6.99 per month. Plumbing 3D IPC Code Learning asks for nothing beyond the download.

Master Plumber Test ships an update every 3 weeks, Plumbing 3D IPC Code Learning every 3 months. The most recent releases landed on November 4, 2026 and November 15, 2026 respectively.

## The numbers

| Metric | Master Plumber Test | Plumbing 3D IPC Code Learning |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/master-plumber-test/id6664061133/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Subscription | — |
| Size | 11 MB | 56 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) | [Yuhsiu Lai](https://appshunter.io/developer/433114647) |

## What reviewers say

### Master Plumber Test

[App page](https://appshunter.io/ios/app/master-plumber-test/id6664061133)

Prepare for your plumber licensing exams with a comprehensive study tool. It offers extensive practice questions with detailed explanations, custom test creation, and progress tracking for both UPC and IPC codes. Study offline with a user-friendly interface.

**Highlights:** Extensive practice questions, Customizable practice tests, Detailed explanations and references, Plumbing math and calculations, Progress tracking, Up-to-date content, Offline access

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $6.99 | per month |
| Lifetime version | $19.99 | one-time |


### Plumbing 3D IPC Code Learning

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Master Plumber Test free?

Master Plumber Test is free to download, with in-app purchases available.

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

Plumbing 3D IPC Code Learning costs $19.99, with no in-app purchases.

### Do Master Plumber Test or Plumbing 3D IPC Code Learning have ads?

Neither Master Plumber Test nor Plumbing 3D IPC Code Learning shows ads.

### Which is updated more often, Master Plumber Test or Plumbing 3D IPC Code Learning?

Master Plumber Test ships an update every 3 weeks, and Plumbing 3D IPC Code Learning every 3 months. Most recently, Master Plumber Test was updated on November 4, 2026 and Plumbing 3D IPC Code Learning on November 15, 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.*