# Inspect vs EPA 609 Certification Prep

The clearest difference is in-app purchases: Inspect at none against EPA 609 Certification Prep's 1. Inspect also leads on ratings volume (126 vs 4). EPA 609 Certification Prep's advantage is rating (4.8 vs 4.5). On price, update cadence, 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. Inspect asks for nothing beyond the download.

EPA 609 Certification Prep holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Inspect has 126 ratings behind it against 4, so its average is the more settled of the two.

Inspect ships an update every 3 weeks, EPA 609 Certification Prep every 2 weeks. The most recent releases landed on October 16, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Inspect | EPA 609 Certification Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (126 ratings)](https://appshunter.io/ios/app/inspect-view-tls-certificate/id1074957486/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/epa-609-certification-prep/id6762544342/reviews)** |
| Number of ratings | **126** | 4 |
| Positive reviews | 86.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 35 MB | 2 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tao Xu](https://appshunter.io/developer/1495134122) | [Shanghai Sheyuan Network Technology Co., Ltd.](https://appshunter.io/developer/1560626858) |

## What reviewers say

### Inspect

[App page](https://appshunter.io/ios/app/inspect-view-tls-certificate/id1074957486)

Examine the TLS certificate chain of any website directly on your iPhone or iPad. Understand trust status, protocols, and security signals. Export certificates for further analysis or sharing.

**Highlights:** Inspect live TLS certificate chains, Review trust status and security signals, Browse and export certificates, Safari extension for current page inspection, Action extension for shared URLs, Home Screen widget for Live Monitor

**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 Inspect free?

Inspect 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.

### Which has better reviews, Inspect or EPA 609 Certification Prep?

EPA 609 Certification Prep is rated higher. Inspect averages 4.5 out of 5 from 126 ratings, while EPA 609 Certification Prep averages 4.8 from 4 ratings.

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

Neither Inspect nor EPA 609 Certification Prep shows ads.

### Which is updated more often, Inspect or EPA 609 Certification Prep?

Inspect ships an update every 3 weeks, and EPA 609 Certification Prep every 2 weeks. Most recently, Inspect was updated on October 16, 2026 and EPA 609 Certification Prep on October 20, 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.*