# QwikFix A/C vs epa 608

The clearest difference is review sentiment: QwikFix A/C at 100% against epa 608's 33%. QwikFix A/C also leads on in-app purchases (none vs 10) and rating (5.0 vs 4.7). epa 608's advantage is ratings volume (70 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. epa 608 sells 10 one-off in-app purchases. QwikFix A/C asks for nothing beyond the download.

QwikFix A/C holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: epa 608 has 70 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of QwikFix A/C's written reviews are positive against 33% of epa 608's.

QwikFix A/C ships an update fortnightly, epa 608 every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | QwikFix A/C | epa 608 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/qwikfix-ac/id966259057/reviews)** | [4.7 (70 ratings)](https://appshunter.io/ios/app/epa-608-certification-hvac/id1632242852/reviews) |
| Number of ratings | 2 | **70** |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 27 MB | 19 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mainstream Engineering Corporation](https://appshunter.io/developer/966259056) | [Andrey Andreyev](https://appshunter.io/developer/1418253369) |

## What reviewers say

### QwikFix A/C

[App page](https://appshunter.io/ios/app/qwikfix-ac/id966259057)

Learn to diagnose and fix common air conditioning problems with this home repair guide. It provides step-by-step instructions to identify HVAC issues, empowering you to troubleshoot without needing to hire a professional technician.

**Highlights:** Diagnose HVAC system issues, Identify common A/C problems, Step-by-step repair instructions, Homeowner-friendly troubleshooting, Avoid hiring technicians

**Features:** macOS Compatibility

**In-app purchases:** none


### epa 608

[App page](https://appshunter.io/ios/app/epa-608-certification-hvac/id1632242852)

Prepare for your EPA 608 certification with practice quizzes covering universal, Type-1, Type-2, and Type-3 certifications, plus HVAC basics. The app offers multiple study modes and an offline experience to help you pass your exam.

**Highlights:** EPA 608 practice quizzes, Multiple certification types covered, HVAC basics and specialized tests, Preparation, Exam, and Marathon modes, Offline access, Question search functionality

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EPA 608 Core: ALL QUESTIONS | $1.99 | one-time |
| EPA Type I :  ALL QUESTIONS | $1.99 | one-time |
| EPA Type 2 :  ALL QUESTIONS | $1.99 | one-time |
| EPA Type 3 :  ALL QUESTIONS | $1.99 | one-time |
| HVAC BASIC:  ALL QUESTIONS | $1.99 | one-time |
| HVAC Controls:  ALL QUESTIONS | $1.99 | one-time |
| HVAC Electrical: ALL QUESTIONS | $1.99 | one-time |
| HVAC IMC Code:  ALL QUESTIONS | $1.99 | one-time |
| Oil Gas Heating: ALL QUESTIONS | $1.99 | one-time |
| NATE Practice:  ALL QUESTIONS | $1.99 | one-time |


## Frequently asked questions

### Is QwikFix A/C free?

QwikFix A/C is free to download, with no in-app purchases.

### Is epa 608 free?

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

### Which has better reviews, QwikFix A/C or epa 608?

QwikFix A/C is rated higher. QwikFix A/C averages 5.0 out of 5 from 2 ratings, while epa 608 averages 4.7 from 70 ratings.

### Do QwikFix A/C or epa 608 have ads?

Neither QwikFix A/C nor epa 608 shows ads.

### Which is updated more often, QwikFix A/C or epa 608?

QwikFix A/C ships an update fortnightly, and epa 608 every 6 weeks. Most recently, QwikFix A/C was updated on October 24, 2026 and epa 608 on October 24, 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.*