# IAPMO Codes vs Journeyman Plumber Test Prep

The clearest difference is rating: Journeyman Plumber Test Prep at 4.7 against IAPMO Codes's 3.8. Journeyman Plumber Test Prep also leads on ratings volume (59 vs 6) and iOS requirement (13.0 vs 15.0). IAPMO Codes's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Journeyman Plumber Test Prep sells 3 one-off in-app purchases. IAPMO Codes asks for nothing beyond the download.

Journeyman Plumber Test Prep holds the better App Store score, 4.7 against 3.8. That said, the two scores are not equally well evidenced: Journeyman Plumber Test Prep has 59 ratings behind it against 6, so its average is the more settled of the two.

IAPMO Codes ships an update every 7 months, Journeyman Plumber Test Prep every 5 months. The most recent releases landed on October 5, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | IAPMO Codes | Journeyman Plumber Test Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (6 ratings)](https://appshunter.io/ios/app/iapmo-codes/id1457481184/reviews) | **[4.7 (59 ratings)](https://appshunter.io/ios/app/journeyman-plumber-test-prep/id1661789460/reviews)** |
| Number of ratings | 6 | **59** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 5 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 22 MB | 28 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IAPMO](https://appshunter.io/developer/1455422752) | [S Mehta](https://appshunter.io/developer/1485831498) |

## 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 Test Prep

[App page](https://appshunter.io/ios/app/journeyman-plumber-test-prep/id1661789460)

Prepare for your Journeyman Plumber exam with over 1000 practice questions and simulated tests. Track your progress and analyze performance to ensure you meet the required standard for certification.

**Highlights:** 1000+ practice questions, Simulated exam conditions, Score and review results, Randomized questions and answers, Progress tracking, Performance analysis

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Banner ads | $2.99 | one-time |
| Remove Full Screen ads | $3.99 | one-time |
| 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 Test Prep free?

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

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

Journeyman Plumber Test Prep is rated higher. IAPMO Codes averages 3.8 out of 5 from 6 ratings, while Journeyman Plumber Test Prep averages 4.7 from 59 ratings.

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

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

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

IAPMO Codes ships an update every 7 months, and Journeyman Plumber Test Prep every 5 months. Most recently, IAPMO Codes was updated on October 5, 2026 and Journeyman Plumber Test Prep on October 17, 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.*