# CDL Prep vs Simpex

The clearest difference is in-app purchases: Simpex at none against CDL Prep's 5. Simpex also leads on ads (none vs shown). CDL Prep's advantage is chart position (#194 vs unranked). On price, device support and iOS requirement there is nothing between them.

Both are free to download. CDL Prep sells 5 in-app purchases, starting at $24.99 per month. Simpex asks for nothing beyond the download.

## The numbers

| Metric | CDL Prep | Simpex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (3.2K ratings)](https://appshunter.io/ios/app/cdl-prep-practice-test-2026/id6446039122/reviews)** | — |
| Number of ratings | **3.2K** | — |
| Positive reviews | 79.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#194** | — |
| Size | 99 MB | 36 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Best Fun Games](https://appshunter.io/developer/896888007) | [Hypernym LTD](https://appshunter.io/developer/1760286222) |

## What reviewers say

### CDL Prep

[App page](https://appshunter.io/ios/app/cdl-prep-practice-test-2026/id6446039122)

**Currently charting:** #194 Top Grossing · Education (US App Store)

Prepare for your Commercial Driver's License (CDL) exam with over 1,600 practice questions covering all essential sections. Features a personalized study plan, readiness score, and detailed explanations to help you pass on your first attempt.

**Highlights:** 1,600+ expert-written practice questions, Comprehensive CDL exam section coverage, Personalized study plan, Readiness score, Detailed explanations for questions, Flashcards, Progress tracking

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $24.99 | per month |
| Premium annual subscription | $59.99 | per year |
| Lifetime premium access | $59.99 | one-time |
| Lifetime premium access | $74.99 | one-time |
| Lifetime premium access | $89.99 | one-time |

**What reviewers like**

- 🚀 Helpful for passing CDL tests
- 👍 Easy to use and navigate
- 💡 Variety of test options
- 🚀 Effective for preparing for endorsements
- 👍 Explanations for answers

**What reviewers complain about**

- 🐛 Some questions not matching actual test
- 🔒 Difficult to cancel subscription
- 💰 Expensive subscription
- 🐛 Repetitive questions

**Reported bugs**

- Unexpected charges after free trial
- Frequent prompts to leave reviews

**Requested features**

- More study materials and modules
- Better alignment with state-specific requirements
- Ability to flag/review missed questions


### Simpex

[App page](https://appshunter.io/ios/app/simpex/id6752851689)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CDL Prep free?

CDL Prep is free to download, with in-app purchases available.

### Is Simpex free?

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

### Do CDL Prep or Simpex have ads?

CDL Prep shows ads; Simpex does not.

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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.*