# EPA 608 Practice+ vs A2L Certification Test Prep

The clearest difference is ads: EPA 608 Practice+ at none against A2L Certification Test Prep's shown. EPA 608 Practice+ also leads on ratings volume (61 vs 2). A2L Certification Test Prep's advantage is rating (5.0 vs 4.8) and iOS requirement (15.1 vs 17.4). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. EPA 608 Practice+ sells 4 in-app purchases, starting at $1.99 per 7 days and A2L Certification Test Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

A2L Certification Test Prep holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: EPA 608 Practice+ has 61 ratings behind it against 2, so its average is the more settled of the two.

EPA 608 Practice+ ships an update weekly, A2L Certification Test Prep every 5 days. Both last shipped on September 19, 2026.

## The numbers

| Metric | EPA 608 Practice+ | A2L Certification Test Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (61 ratings)](https://appshunter.io/ios/app/epa-608-practice-plus/id6503223718/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/a2l-certification-test-prep/id6760899340/reviews)** |
| Number of ratings | **61** | 2 |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 17 MB | 47 MB |
| Requires iOS | 17.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Product Growth LLC](https://appshunter.io/developer/1704221883) | [Mike Watson](https://appshunter.io/developer/1848411021) |

## What reviewers say

### EPA 608 Practice+

[App page](https://appshunter.io/ios/app/epa-608-practice-plus/id6503223718)

Prepare for your EPA 608 HVAC Certification Exam with comprehensive practice tests and mock exams. Focus on specific topics, receive instant feedback, and track your progress with a personalized study plan to ensure you pass.

**Highlights:** 27 Prep Tests, Topic-based practice, Versatile practice modes, Mock tests, Instant feedback, Personalized study plan

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Monthly | $1.99 | per month |
| Annual | $9.99 | per year |
| Lifetime | $7.99 | one-time |


### A2L Certification Test Prep

[App page](https://appshunter.io/ios/app/a2l-certification-test-prep/id6760899340)

This professional tool provides accurate refrigerant charging calculations for next-generation gases like R-454B and R-32. It features error-proof charging, a maximum allowable charge calculator, and offline reference materials for HVAC technicians.

**Highlights:** A2L-ready for R-454B and R-32, Error-proof superheat/subcooling calculations, Integrated Max Allowable Charge Calculator, Branded PDF field reports, Offline P/T charts and safety guides, No account or login required

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A2L SafeCharge Pro | $1.99 | one-time |


## Frequently asked questions

### Is EPA 608 Practice+ free?

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

### Is A2L Certification Test Prep free?

A2L Certification Test Prep is free to download, with in-app purchases available.

### Which has better reviews, EPA 608 Practice+ or A2L Certification Test Prep?

A2L Certification Test Prep is rated higher. EPA 608 Practice+ averages 4.8 out of 5 from 61 ratings, while A2L Certification Test Prep averages 5.0 from 2 ratings.

### Do EPA 608 Practice+ or A2L Certification Test Prep have ads?

A2L Certification Test Prep shows ads; EPA 608 Practice+ does not.

### Which is updated more often, EPA 608 Practice+ or A2L Certification Test Prep?

EPA 608 Practice+ ships an update weekly, and A2L Certification Test Prep every 5 days. Most recently, EPA 608 Practice+ was updated on September 19, 2026 and A2L Certification Test Prep on September 19, 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.*