# ChemiNamer vs Journeyman Plumber Study Guide

The clearest difference is price: Journeyman Plumber Study Guide at Free against ChemiNamer's $1.99. ChemiNamer's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Journeyman Plumber Study Guide is free to download; ChemiNamer costs $1.99 up front. Journeyman Plumber Study Guide sells 3 in-app purchases, starting at $2.99 per 7 days. ChemiNamer asks for nothing beyond the download.

ChemiNamer ships an update every 4 weeks, Journeyman Plumber Study Guide every 6 months. The most recent releases landed on October 13, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | ChemiNamer | Journeyman Plumber Study Guide |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[3.0 (3 ratings)](https://appshunter.io/ios/app/journeyman-plumber-study-guide/id6479639351/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Every 6 months |
| Monetization | — | Free with in-app purchases |
| Size | 20 MB | 35 MB |
| Requires iOS | 13.4 | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jamie Coleman](https://appshunter.io/developer/1711849262) | [Jignasha Joshi](https://appshunter.io/developer/1699384056) |

## What reviewers say

### ChemiNamer

[App page](https://appshunter.io/ios/app/cheminamer/id6478984904)

**Features:** macOS Compatibility

**In-app purchases:** none


### Journeyman Plumber Study Guide

[App page](https://appshunter.io/ios/app/journeyman-plumber-study-guide/id6479639351)

Prepare for your Journeyman Plumber Exam with this comprehensive study guide. It offers randomized mock tests, an extensive question bank covering key plumbing topics, and progress tracking to identify areas for improvement. Bookmark questions and review weak areas to ensure success on your exam.

**Highlights:** Randomized mock tests, Extensive question bank, Progress tracking, Bookmark weak questions, Review previous tests, Appearance settings

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access - 7 Days | $2.99 | per 7 days |
| Premium Access - 30 Days | $7.99 | per month |
| Remove Ads | $9.99 | one-time |


## Frequently asked questions

### Is ChemiNamer free?

ChemiNamer costs $1.99, with no in-app purchases.

### Is Journeyman Plumber Study Guide free?

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

### Do ChemiNamer or Journeyman Plumber Study Guide have ads?

Journeyman Plumber Study Guide shows ads; ChemiNamer does not.

### Which is updated more often, ChemiNamer or Journeyman Plumber Study Guide?

ChemiNamer ships an update every 4 weeks, and Journeyman Plumber Study Guide every 6 months. Most recently, ChemiNamer was updated on October 13, 2026 and Journeyman Plumber Study Guide on September 25, 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.*