# HVAC Mastery vs PV Installation Test Prep

The clearest difference is in-app purchases: HVAC Mastery at none against PV Installation Test Prep's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PV Installation Test Prep sells 3 in-app purchases, starting at $6.99 per 7 days. HVAC Mastery asks for nothing beyond the download.

## The numbers

| Metric | HVAC Mastery | PV Installation Test Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hvac-mastery/id6773027290/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | Free | — |
| Size | 21 MB | 24 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [arjan qema](https://appshunter.io/developer/1895283314) | [FLY SKY PTY LTD](https://appshunter.io/developer/1838696534) |

## 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


### PV Installation Test Prep

[App page](https://appshunter.io/ios/app/pv-installation-test-prep/id6782511908)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PV Installation Full Access | $6.99 | per 7 days |
| PV Installation Full Access | $16.99 | per month |
| PV Installation Full Access | $69.99 | one-time |


## Frequently asked questions

### Is HVAC Mastery free?

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

### Is PV Installation Test Prep free?

PV Installation Test Prep is free to download, with in-app purchases available.

### Do HVAC Mastery or PV Installation Test Prep have ads?

Neither HVAC Mastery nor PV Installation Test Prep shows ads.

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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.*