# HVAC School vs EPA 608 Pro

The clearest difference is in-app purchases: HVAC School at none against EPA 608 Pro's 3. HVAC School also leads on ratings volume (85 vs 1) and iOS requirement (13.4 vs 15.1). EPA 608 Pro's advantage is rating (5.0 vs 4.8). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. EPA 608 Pro sells 3 in-app purchases, starting at $4.99 per 7 days. HVAC School asks for nothing beyond the download.

EPA 608 Pro holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: HVAC School has 85 ratings behind it against 1, so its average is the more settled of the two.

HVAC School ships an update every 5 weeks, EPA 608 Pro every 2 months. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HVAC School | EPA 608 Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (85 ratings)](https://appshunter.io/ios/app/hvac-school/id1436085954/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/epa-608-pro/id6799516580/reviews)** |
| Number of ratings | **85** | 1 |
| Positive reviews | 82.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 30 MB | 52 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Kalos Services Inc.](https://appshunter.io/developer/1435107751) | [Michael Scott Waldron](https://appshunter.io/developer/1825902087) |

## What reviewers say

### HVAC School

[App page](https://appshunter.io/ios/app/hvac-school/id1436085954)

This app serves as a comprehensive resource for HVAC technicians, offering a podcast, tech tip articles, and interactive calculators. It aims to enhance knowledge of HVAC theory, industry updates, and essential mathematics for both current and aspiring professionals.

**Highlights:** HVAC School podcast episodes, Tech tip articles by professionals, Interactive HVAC equation calculators, Industry knowledge and theory, Up-to-date industry information

**Features:** macOS Compatibility

**In-app purchases:** none


### EPA 608 Pro

[App page](https://appshunter.io/ios/app/epa-608-pro/id6799516580)

Prepare for your EPA 608 certification with over 1,000 practice questions and full exam simulators. Detailed explanations help you understand why answers are correct, and study tools like flashcards and missed question review target your weak areas. Study offline anytime, anywhere.

**Highlights:** 1,025 practice questions, Full exam simulators for all certification types, Detailed answer explanations, Flashcards and topic quizzes, Diagnostic test for weak spots, Offline study capability, Progress tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EPA 608 Pro Weekly | $4.99 | per 7 days |
| EPA 608 Pro Monthly | $9.99 | per month |
| EPA 608 Pro Quarterly | $24.99 | per 3 months |


## Frequently asked questions

### Is HVAC School free?

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

### Is EPA 608 Pro free?

EPA 608 Pro is free to download, with in-app purchases available.

### Which has better reviews, HVAC School or EPA 608 Pro?

EPA 608 Pro is rated higher. HVAC School averages 4.8 out of 5 from 85 ratings, while EPA 608 Pro averages 5.0 from 1 ratings.

### Do HVAC School or EPA 608 Pro have ads?

Neither HVAC School nor EPA 608 Pro shows ads.

### Which is updated more often, HVAC School or EPA 608 Pro?

HVAC School ships an update every 5 weeks, and EPA 608 Pro every 2 months. Most recently, HVAC School was updated on November 2, 2026 and EPA 608 Pro on October 31, 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.*