# IAPMO Codes vs Journeyman Plumber

The clearest difference is rating: Journeyman Plumber at 5.0 against IAPMO Codes's 3.8. Journeyman Plumber also leads on iOS requirement (13.0 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. Journeyman Plumber sells 1 one-off in-app purchase. IAPMO Codes asks for nothing beyond the download.

Journeyman Plumber holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 6 and 9 respectively.

IAPMO Codes ships an update every 7 months, Journeyman Plumber every 12 months. The most recent releases landed on June 1, 2026 and June 9, 2026 respectively.

## The numbers

| Metric | IAPMO Codes | Journeyman Plumber |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (6 ratings)](https://appshunter.io/ios/app/iapmo-codes/id1457481184/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/journeyman-plumber-test-prep/id6472892372/reviews)** |
| Number of ratings | 6 | **9** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 7 months** | Every 12 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 22 MB | 29 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [International Association of Plumbing and Mechanical Officials](https://appshunter.io/developer/1455422752) | [Jayesh Vagadiya](https://appshunter.io/developer/1682487467) |

## 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


### Journeyman Plumber

[App page](https://appshunter.io/ios/app/journeyman-plumber-test-prep/id6472892372)

Prepare for your Journeyman Plumber Test with over 1000 practice questions and 20+ mock tests. Track your progress, review errors, and utilize flashcards to master key plumbing subjects. This comprehensive study guide and simulator aims to ensure you're well-prepared for the actual exam.

**Highlights:** 1000+ practice questions, 20+ free mock tests, Progress tracking and score monitoring, Error review for learning, Flashcard study mode, Bookmark difficult questions, Real-time test simulator

**Features:** macOS Compatibility

**In-app purchases (1)**

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


## Frequently asked questions

### Is IAPMO Codes free?

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

### Is Journeyman Plumber free?

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

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

Journeyman Plumber is rated higher. IAPMO Codes averages 3.8 out of 5 from 6 ratings, while Journeyman Plumber averages 5.0 from 9 ratings.

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

Journeyman Plumber shows ads; IAPMO Codes does not.

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

IAPMO Codes ships an update every 7 months, and Journeyman Plumber every 12 months. Most recently, IAPMO Codes was updated on June 1, 2026 and Journeyman Plumber on June 9, 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.*