# Pass CDL Class A vs CSLB C

The clearest difference is rating: CSLB C at 4.8 against Pass CDL Class A's 4.4. Pass CDL Class A's advantage is iOS requirement (12.0 vs 15.1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Pass CDL Class A sells 1 one-off in-app purchase and CSLB C sells 9 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CSLB C holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 15 and 9 respectively.

Pass CDL Class A ships an update every 4 months, CSLB C every 5 months. The most recent releases landed on October 15, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Pass CDL Class A | CSLB C |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (15 ratings)](https://appshunter.io/ios/app/pass-cdl-class-a-exam-prep/id1673006426/reviews) | **[4.8 (9 ratings)](https://appshunter.io/ios/app/cslb-c-39-roofing-test-prep/id6747896465/reviews)** |
| Number of ratings | **15** | 9 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 37 MB | 53 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Andreyev](https://appshunter.io/developer/1418253369) | [YAUHEN BAHDANOVICH](https://appshunter.io/developer/1711932790) |

## What reviewers say

### Pass CDL Class A

[App page](https://appshunter.io/ios/app/pass-cdl-class-a-exam-prep/id1673006426)

Prepare for your CDL Class A license with a comprehensive study guide. Master general knowledge, air brakes, combination vehicles, and endorsements through DMV-style questions and detailed rationales. Practice with timed mock exams to ensure readiness for the written test.

**Highlights:** Comprehensive CDL coverage, DMV-style practice questions, Detailed rationales for answers, Timed mock exams, Offline access, Searchable questions

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CDL Test: ALL QUESTIONS | $2.99 | one-time |


### CSLB C

[App page](https://appshunter.io/ios/app/cslb-c-39-roofing-test-prep/id6747896465)

Prepare for the C-39 Roofing Contractor License Exam with up-to-date materials for 2026. Access an extensive question bank, detailed explanations, and progress tracking to hone your skills. Features include customizable study plans and simulated exam modes for comprehensive preparation.

**Highlights:** Up-to-date for 2026, Extensive question bank, Detailed explanations, Progress tracking, Simulated exam mode, Customizable study plans

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CLSB C-39 Weekly Full Access | $8.99 | per 7 days |
| C-39 Monthly Full Access | $24.99 | per month |
| CLSB C-39 Monthly Full Access | $24.99 | per month |
| C-39 Quarterly Full Access | $55.99 | per 3 months |
| C-39 Quarterly Full Access | $55.99 | per 3 months |
| C-39 Semiannual Full Access | $75.99 | per 6 months |
| C-39 Semiannual Full Access | $79.99 | per 6 months |
| C-39 Annual Full Access | $109.99 | per year |
| C-39 Annual Full Access | $119.99 | per year |


## Frequently asked questions

### Is Pass CDL Class A free?

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

### Is CSLB C free?

CSLB C is free to download, with in-app purchases available.

### Which has better reviews, Pass CDL Class A or CSLB C?

CSLB C is rated higher. Pass CDL Class A averages 4.4 out of 5 from 15 ratings, while CSLB C averages 4.8 from 9 ratings.

### Do Pass CDL Class A or CSLB C have ads?

Neither Pass CDL Class A nor CSLB C shows ads.

### Which is updated more often, Pass CDL Class A or CSLB C?

Pass CDL Class A ships an update every 4 months, and CSLB C every 5 months. Most recently, Pass CDL Class A was updated on October 15, 2026 and CSLB C on October 23, 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.*