# HVAC Mastery vs Mechanism

The clearest difference is in-app purchases: HVAC Mastery at none against Mechanism's 1. HVAC Mastery also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price and ads there is nothing between them.

Both are free to download. Mechanism sells 1 in-app purchase, starting at $39.99 per year. HVAC Mastery asks for nothing beyond the download.

## The numbers

| Metric | HVAC Mastery | Mechanism |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hvac-mastery/id6773027290/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | Free | — |
| Size | 21 MB | 32 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [arjan qema](https://appshunter.io/developer/1895283314) | [talel briki](https://appshunter.io/developer/1879561150) |

## What reviewers say

### HVAC Mastery

[App page](https://appshunter.io/ios/app/hvac-mastery/id6773027290)

This app provides hands-on learning for HVAC professionals, covering fundamentals, core and advanced systems, and EPA 608 certification prep. It features interactive diagrams, simulators, real-world challenges, and quick reference tools for on-the-job use.

**Highlights:** Structured learning tracks, Interactive electrical and wiring simulators, Refrigerant cycle simulator with fault injection, Built-in HVAC calculators, Hands-on wiring and troubleshooting challenges, Field reference tools and refrigerant guide, Flashcards and progress tracking

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

**In-app purchases:** none


### Mechanism

[App page](https://appshunter.io/ios/app/mechanism-learning-app/id6811229330)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual | $39.99 | per year |


## Frequently asked questions

### Is HVAC Mastery free?

HVAC Mastery is free to download, with no in-app purchases.

### Is Mechanism free?

Mechanism is free to download, with in-app purchases available.

### Do HVAC Mastery or Mechanism have ads?

Neither HVAC Mastery nor Mechanism shows ads.

---

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