# IAPMO Codes vs Plumber Journeyman Exam Prep

The clearest difference is rating: Plumber Journeyman Exam Prep at 4.5 against IAPMO Codes's 3.8. Plumber Journeyman Exam Prep also leads on iOS requirement (13.4 vs 15.0). IAPMO Codes's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. Plumber Journeyman Exam Prep sells 1 one-off in-app purchase. IAPMO Codes asks for nothing beyond the download.

Plumber Journeyman Exam Prep holds the better App Store score, 4.5 against 3.8. Both are backed by a comparable volume of ratings — 6 and 12 respectively.

IAPMO Codes ships an update every 7 months, Plumber Journeyman Exam Prep every 13 months. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | IAPMO Codes | Plumber Journeyman Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (6 ratings)](https://appshunter.io/ios/app/iapmo-codes/id1457481184/reviews) | **[4.5 (12 ratings)](https://appshunter.io/ios/app/plumber-journeyman-exam-prep/id6467764982/reviews)** |
| Number of ratings | 6 | **12** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 7 months** | Every 13 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 22 MB | 23 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IAPMO](https://appshunter.io/developer/1455422752) | [Haresh Rathod](https://appshunter.io/developer/1656368878) |

## What reviewers say

### IAPMO Codes

[App page](https://appshunter.io/ios/app/iapmo-codes/id1457481184)

Access and manage your purchased IAPMO codes, including the UPC, UMC, and others. Make annotations, record voice notes, and view content offline. Stay informed with code errata, committee information, and breaking news.

**Highlights:** View purchased IAPMO codes, Offline access, Make annotations, Voice recordings, Access code errata, View development timeline, Direct access to engineering staff

**Features:** macOS Compatibility

**In-app purchases:** none


### Plumber Journeyman Exam Prep

[App page](https://appshunter.io/ios/app/plumber-journeyman-exam-prep/id6467764982)

Prepare for your Journeyman Plumber exam with a comprehensive mobile app. Access study materials, practice quizzes, flashcards, and mock exams. Track your progress and study offline to build confidence for your licensing test.

**Highlights:** Plumbing study materials, Topic-based practice quizzes, Customizable flashcards, Full-length mock exams, Performance analytics, Offline access

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Go Premium Journeyman Plumber | $7.99 | one-time |


## Frequently asked questions

### Is IAPMO Codes free?

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

### Is Plumber Journeyman Exam Prep free?

Plumber Journeyman Exam Prep is free to download, with in-app purchases available.

### Which has better reviews, IAPMO Codes or Plumber Journeyman Exam Prep?

Plumber Journeyman Exam Prep is rated higher. IAPMO Codes averages 3.8 out of 5 from 6 ratings, while Plumber Journeyman Exam Prep averages 4.5 from 12 ratings.

### Do IAPMO Codes or Plumber Journeyman Exam Prep have ads?

Plumber Journeyman Exam Prep shows ads; IAPMO Codes does not.

### Which is updated more often, IAPMO Codes or Plumber Journeyman Exam Prep?

IAPMO Codes ships an update every 7 months, and Plumber Journeyman Exam Prep every 13 months. Most recently, IAPMO Codes was updated on October 5, 2026 and Plumber Journeyman Exam Prep on October 24, 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.*