# ChemiNamer vs EPA 608 Test

The clearest difference is price: EPA 608 Test at Free against ChemiNamer's $1.99. ChemiNamer's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On update cadence and ads there is nothing between them.

EPA 608 Test is free to download; ChemiNamer costs $1.99 up front. EPA 608 Test sells 2 in-app purchases, starting at $7.99 per month. ChemiNamer asks for nothing beyond the download.

ChemiNamer ships an update every 4 weeks, EPA 608 Test every 3 weeks. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ChemiNamer | EPA 608 Test |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/epa-608-test/id6664060604/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 20 MB | 9 MB |
| Requires iOS | **13.4** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jamie Coleman](https://appshunter.io/developer/1711849262) | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) |

## What reviewers say

### ChemiNamer

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

**Features:** macOS Compatibility

**In-app purchases:** none


### EPA 608 Test

[App page](https://appshunter.io/ios/app/epa-608-test/id6664060604)

Prepare for your HVAC certification exam with a comprehensive study tool. It features a large question bank, expert explanations, and personalized practice tests to help you master the material and track your progress effectively.

**Highlights:** Massive question bank, Expert explanations, Smart progress tracking, Custom practice tests, Detailed answer breakdowns

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $7.99 | per month |
| Lifetime version | $14.99 | one-time |


## Frequently asked questions

### Is ChemiNamer free?

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

### Is EPA 608 Test free?

EPA 608 Test is free to download, with in-app purchases available.

### Do ChemiNamer or EPA 608 Test have ads?

Neither ChemiNamer nor EPA 608 Test shows ads.

### Which is updated more often, ChemiNamer or EPA 608 Test?

ChemiNamer ships an update every 4 weeks, and EPA 608 Test every 3 weeks. Most recently, ChemiNamer was updated on September 28, 2026 and EPA 608 Test on September 30, 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.*