# Plumbing 3D IPC Code Learning vs Plumbing Theory Prep

The clearest difference is price: Plumbing Theory Prep at Free against Plumbing 3D IPC Code Learning's $4.99. Plumbing 3D IPC Code Learning's advantage is in-app purchases (none vs 3) and chart position (#198 vs unranked). On ads, device support and iOS requirement there is nothing between them.

Plumbing Theory Prep is free to download; Plumbing 3D IPC Code Learning costs $4.99 up front. Plumbing Theory Prep sells 3 in-app purchases, starting at $4.99 per month. Plumbing 3D IPC Code Learning asks for nothing beyond the download.

## The numbers

| Metric | Plumbing 3D IPC Code Learning | Plumbing Theory Prep |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Best chart rank | **#198** | — |
| Size | 23 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yuhsiu Lai](https://appshunter.io/developer/433114647) | [MD Shahariar Nazim Joy](https://appshunter.io/developer/1893961943) |

## What reviewers say

### 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


### Plumbing Theory Prep

[App page](https://appshunter.io/ios/app/plumbing-theory-prep/id6793827771)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $14.99 | per year |
| Lifetime Access | $24.99 | one-time |


## Frequently asked questions

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

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

### Is Plumbing Theory Prep free?

Plumbing Theory Prep is free to download, with in-app purchases available.

### Do Plumbing 3D IPC Code Learning or Plumbing Theory Prep have ads?

Neither Plumbing 3D IPC Code Learning nor Plumbing Theory Prep shows ads.

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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.*