# CDL Class A Practice Test vs CDL Permit & Air Brakes Test

The clearest difference is update cadence: CDL Permit & Air Brakes Test at every 4 days against CDL Class A Practice Test's every 8 days. CDL Class A Practice Test's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CDL Class A Practice Test sells 4 in-app purchases, starting at $4.99 per 7 days and CDL Permit & Air Brakes Test sells 3 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CDL Class A Practice Test ships an update every 8 days, CDL Permit & Air Brakes Test every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | CDL Class A Practice Test | CDL Permit & Air Brakes Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cdl-permit-and-air-brakes-test/id6783982693/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 24 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FLY SKY PTY LTD](https://appshunter.io/developer/1838696534) | [Hermes Inteligencia Digital Ltda](https://appshunter.io/developer/1896694873) |

## What reviewers say

### CDL Class A Practice Test

[App page](https://appshunter.io/ios/app/cdl-class-a-practice-test/id6776216577)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CDL Class A Practice Test Full | $4.99 | per 7 days |
| CDL Class A Practice Test Full | $12.99 | per month |
| Unlock Full Access | $4.99 | one-time |
| CDL Class A Practice Test Full | $39.99 | one-time |


### CDL Permit & Air Brakes Test

[App page](https://appshunter.io/ios/app/cdl-permit-and-air-brakes-test/id6783982693)

Prepare for your Commercial Driver's License knowledge test with a comprehensive study tool. It offers thousands of practice questions with detailed explanations, personalized study plans, and progress tracking to help you pass on your first attempt.

**Highlights:** 2,587 practice questions, Explanations for every answer, 15 full topics covered, Daily study plans, Timed mode and mock exams, Progress tracking and pass probability, State-specific preparation

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $5.99 | per 7 days |
| Monthly | $14.99 | per month |
| Quarterly | $29.99 | per 3 months |


## Frequently asked questions

### Is CDL Class A Practice Test free?

CDL Class A Practice Test is free to download, with in-app purchases available.

### Is CDL Permit & Air Brakes Test free?

CDL Permit & Air Brakes Test is free to download, with in-app purchases available.

### Do CDL Class A Practice Test or CDL Permit & Air Brakes Test have ads?

Neither CDL Class A Practice Test nor CDL Permit & Air Brakes Test shows ads.

### Which is updated more often, CDL Class A Practice Test or CDL Permit & Air Brakes Test?

CDL Class A Practice Test ships an update every 8 days, and CDL Permit & Air Brakes Test every 4 days. Most recently, CDL Class A Practice Test was updated on October 24, 2026 and CDL Permit & Air Brakes Test 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.*