# Uponor Academy Online vs A2L Certification Test Prep

The clearest difference is in-app purchases: Uponor Academy Online at none against A2L Certification Test Prep's 1. A2L Certification Test Prep's advantage is update cadence (every 5 days vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. A2L Certification Test Prep sells 1 one-off in-app purchase. Uponor Academy Online asks for nothing beyond the download.

Uponor Academy Online ships an update every 6 months, A2L Certification Test Prep every 5 days. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Uponor Academy Online | A2L Certification Test Prep |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 56 MB | 47 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Uponor Corporation](https://appshunter.io/developer/872959571) | [Mike Watson](https://appshunter.io/developer/1848411021) |

## What reviewers say

### Uponor Academy Online

[App page](https://appshunter.io/ios/app/uponor-academy-online/id1588909887)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Uponor Academy Online free?

Uponor Academy Online is free to download, with no in-app purchases.

### Is A2L Certification Test Prep free?

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

### Do Uponor Academy Online or A2L Certification Test Prep have ads?

Both Uponor Academy Online and A2L Certification Test Prep show ads.

### Which is updated more often, Uponor Academy Online or A2L Certification Test Prep?

Uponor Academy Online ships an update every 6 months, and A2L Certification Test Prep every 5 days. Most recently, Uponor Academy Online was updated on October 17, 2026 and A2L Certification Test Prep on October 7, 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.*