# CDL Prep vs Test Prep for CAST Exam 2026

The clearest difference is in-app purchases: CDL Prep at none against Test Prep for CAST Exam 2026's 9. CDL Prep also leads on update cadence (every 2 months vs every 14 months) and ratings volume (7K vs 1). Test Prep for CAST Exam 2026's advantage is ads (none vs shown) and rating (5.0 vs 4.7). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Test Prep for CAST Exam 2026 sells 9 in-app purchases, starting at $8.99 per 7 days. CDL Prep asks for nothing beyond the download.

Test Prep for CAST Exam 2026 holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: CDL Prep has 7K ratings behind it against 1, so its average is the more settled of the two.

CDL Prep ships an update every 2 months, Test Prep for CAST Exam 2026 every 14 months. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CDL Prep | Test Prep for CAST Exam 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (7K ratings)](https://appshunter.io/ios/app/cdl-prep/id1101536521/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/test-prep-for-cast-exam-2026/id6745023176/reviews)** |
| Number of ratings | **7K** | 1 |
| Positive reviews | 80.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 14 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Best chart rank | **#71** | — |
| Size | 6 MB | 54 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeffrey Diaz](https://appshunter.io/developer/1101536520) | [YAUHEN BAHDANOVICH](https://appshunter.io/developer/1711932790) |

## What reviewers say

### CDL Prep

[App page](https://appshunter.io/ios/app/cdl-prep/id1101536521)

**Currently charting:** #71 Top Free · Education (US App Store)

Prepare for your Commercial Drivers License exams with a comprehensive question bank covering general knowledge and various endorsements. Practice with timed exams or instant feedback modes to identify areas for improvement.

**Highlights:** Over 500 practice questions, Timed exam mode, Endorsement topic exams, Instant feedback in practice mode, Randomized answer order

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate questions
- 👍 Helpful for passing tests
- 💯 Exactly like real test
- 🙌 Great study tool
- ✅ Passed on first try

**What reviewers complain about**

- 🔍 Some questions not on app
- 🔢 Too many ads
- 🔀 Can't close ads
- 🤔 Inconsistent answers

**Reported bugs**

- Back button issues
- Incorrect answers in app

**Requested features**

- Ad-free version
- Ability to report incorrect questions
- Include state-specific requirements


### Test Prep for CAST Exam 2026

[App page](https://appshunter.io/ios/app/test-prep-for-cast-exam-2026/id6745023176)

Prepare for the Construction and Skilled Trades (CAST) exam with a comprehensive study tool. It offers practice questions, realistic simulations, detailed explanations, and personalized study plans to help you master the material and track your progress.

**Highlights:** Expertly crafted practice questions, Realistic timed simulations, Detailed explanations for answers, Focused and personalized study plans, Progress tracking and analytics, Regular content updates

**Features:** macOS Compatibility

**In-app purchases (9)**

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


## Frequently asked questions

### Is CDL Prep free?

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

### Is Test Prep for CAST Exam 2026 free?

Test Prep for CAST Exam 2026 is free to download, with in-app purchases available.

### Which has better reviews, CDL Prep or Test Prep for CAST Exam 2026?

Test Prep for CAST Exam 2026 is rated higher. CDL Prep averages 4.7 out of 5 from 7K ratings, while Test Prep for CAST Exam 2026 averages 5.0 from 1 ratings.

### Do CDL Prep or Test Prep for CAST Exam 2026 have ads?

CDL Prep shows ads; Test Prep for CAST Exam 2026 does not.

### Which is updated more often, CDL Prep or Test Prep for CAST Exam 2026?

CDL Prep ships an update every 2 months, and Test Prep for CAST Exam 2026 every 14 months. Most recently, CDL Prep was updated on November 5, 2026 and Test Prep for CAST Exam 2026 on October 30, 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.*