# A2L Certification Test Prep vs EPA 608 Study & Practice 2026

The clearest difference is ads: EPA 608 Study & Practice 2026 at none against A2L Certification Test Prep's shown. A2L Certification Test Prep's advantage is iOS requirement (15.1 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. A2L Certification Test Prep sells 1 one-off in-app purchase and EPA 608 Study & Practice 2026 sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | A2L Certification Test Prep | EPA 608 Study & Practice 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/a2l-certification-test-prep/id6760899340/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 49 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mike Watson](https://appshunter.io/developer/1848411021) | [Redouan Afoulous](https://appshunter.io/developer/1896591505) |

## What reviewers say

### 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 |


### EPA 608 Study & Practice 2026

[App page](https://appshunter.io/ios/app/epa-608-study-and-practice-2026/id6788551703)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Plan | $4.99 | per 7 days |
| Yearly Pro Plan | $19.99 | per year |


## Frequently asked questions

### Is A2L Certification Test Prep free?

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

### Is EPA 608 Study & Practice 2026 free?

EPA 608 Study & Practice 2026 is free to download, with in-app purchases available.

### Do A2L Certification Test Prep or EPA 608 Study & Practice 2026 have ads?

A2L Certification Test Prep shows ads; EPA 608 Study & Practice 2026 does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*