# ACP Exam Simulator vs A2L Certification Test Prep

The clearest difference is ads: ACP Exam Simulator at none against A2L Certification Test Prep's shown. A2L Certification Test Prep's advantage is update cadence (every 5 days vs every 5 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. ACP Exam Simulator sells 3 in-app purchases, starting at $7.99 per month and A2L Certification Test Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ACP Exam Simulator ships an update every 5 weeks, A2L Certification Test Prep every 5 days. The most recent releases landed on September 9, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | ACP Exam Simulator | A2L Certification Test Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/a2l-certification-test-prep/id6760899340/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 92 MB | 47 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nguyen Duy Khanh](https://appshunter.io/developer/1345775745) | [Mike Watson](https://appshunter.io/developer/1848411021) |

## What reviewers say

### ACP Exam Simulator

[App page](https://appshunter.io/ios/app/acp-exam-simulator/id1643914231)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $7.99 | per month |
| Premium Quarterly | $14.99 | per 3 months |
| Premium Yearly | $49.99 | per year |


### 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 ACP Exam Simulator free?

ACP Exam Simulator 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.

### Do ACP Exam Simulator or A2L Certification Test Prep have ads?

A2L Certification Test Prep shows ads; ACP Exam Simulator does not.

### Which is updated more often, ACP Exam Simulator or A2L Certification Test Prep?

ACP Exam Simulator ships an update every 5 weeks, and A2L Certification Test Prep every 5 days. Most recently, ACP Exam Simulator was updated on September 9, 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.*