# MedLocker vs EPA 609 Certification Prep

The clearest difference is in-app purchases: MedLocker at none against EPA 609 Certification Prep's 1. MedLocker also leads on iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. EPA 609 Certification Prep sells 1 one-off in-app purchase. MedLocker asks for nothing beyond the download.

## The numbers

| Metric | MedLocker | EPA 609 Certification Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/epa-609-certification-prep/id6762544342/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 172 MB | 2 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Belay](https://appshunter.io/developer/1435792413) | [Shanghai Sheyuan Network Technology Co., Ltd.](https://appshunter.io/developer/1560626858) |

## What reviewers say

### MedLocker

[App page](https://appshunter.io/ios/app/medlocker/id6466738994)

**Features:** macOS Compatibility

**In-app purchases:** none


### EPA 609 Certification Prep

[App page](https://appshunter.io/ios/app/epa-609-certification-prep/id6762544342)

Prepare for your EPA Section 609 MVAC certification with focused practice questions, clear explanations, and an offline reference library. Master regulations, refrigerant identification, and safety protocols for the motor-vehicle air-conditioning exam.

**Highlights:** Practice mode with 50 multiple-choice questions, Explanations and citations for every answer, Mock exams mirroring the real certification test, Offline reference library for refrigerants and regulations, Diagnostic pass/fail analysis against EPA cutoff, One-time unlock for Pro content

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Certification Prep | $9.99 | one-time |


## Frequently asked questions

### Is MedLocker free?

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

### Is EPA 609 Certification Prep free?

EPA 609 Certification Prep is free to download, with in-app purchases available.

### Do MedLocker or EPA 609 Certification Prep have ads?

Neither MedLocker nor EPA 609 Certification Prep shows ads.

---

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