# Transmission Control vs CPHQ Exam

The clearest difference is in-app purchases: Transmission Control at none against CPHQ Exam's 4. Transmission Control also leads on iOS requirement (11.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. CPHQ Exam sells 4 in-app purchases, starting at $8.99 per 7 days. Transmission Control asks for nothing beyond the download.

## The numbers

| Metric | Transmission Control | CPHQ Exam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cphq-exam-study-and-prep-2026/id6762051513/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 months |
| Monetization | — | Free with in-app purchases |
| Size | 22 MB | 76 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Justin Poulin](https://appshunter.io/developer/1514708689) | [Wiktor Pabich](https://appshunter.io/developer/1842657816) |

## What reviewers say

### Transmission Control

[App page](https://appshunter.io/ios/app/transmission-control/id1597161936)

**Features:** macOS Compatibility

**In-app purchases:** none


### CPHQ Exam

[App page](https://appshunter.io/ios/app/cphq-exam-study-and-prep-2026/id6762051513)

Prepare for the CPHQ exam with practice tests covering all 7 NAHQ competency domains. Track your progress, reinforce concepts with flashcards, and simulate the real exam experience to build confidence for test day.

**Highlights:** Covers all 7 NAHQ competency domains, Progress tracking by category, Flashcards and cheatsheet, Mock exam simulation, Set exam deadline and build streak, Save questions for review

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CPQH Prep Subscription Weekly | $8.99 | per 7 days |
| Monthly Subscription | $24.99 | per month |
| Annual Subscription | $49.99 | per year |
| CPHQ Prep Subscription Annual | $49.99 | per year |


## Frequently asked questions

### Is Transmission Control free?

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

### Is CPHQ Exam free?

CPHQ Exam is free to download, with in-app purchases available.

### Do Transmission Control or CPHQ Exam have ads?

Neither Transmission Control nor CPHQ Exam 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.*