# CDL DMV Written Test vs CDL Prep Pro

The clearest difference is in-app purchases: CDL DMV Written Test at none against CDL Prep Pro's 1. CDL Prep Pro's advantage is ads (none vs shown) and update cadence (every 2 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. CDL Prep Pro sells 1 one-off in-app purchase. CDL DMV Written Test asks for nothing beyond the download.

CDL DMV Written Test ships an update monthly, CDL Prep Pro every 2 days. The most recent releases landed on September 28, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | CDL DMV Written Test | CDL Prep Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (1.5K ratings)](https://appshunter.io/ios/app/cdl-dmv-written-test/id6502847914/reviews)** | — |
| Number of ratings | **1.5K** | — |
| Positive reviews | 70.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 83 MB | 28 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Infinity Loop Capital LLc](https://appshunter.io/developer/1480211134) | [Revival Fitness Athletics LLC](https://appshunter.io/developer/1896763938) |

## What reviewers say

### CDL DMV Written Test

[App page](https://appshunter.io/ios/app/cdl-dmv-written-test/id6502847914)

Prepare for your Commercial Driver's License (CDL) written test with comprehensive practice exams covering all 50 states. Master general knowledge, air brakes, and various endorsements with targeted study materials designed for efficient learning and a high success rate.

**Highlights:** State-specific practice exams, Class A & B general knowledge, Endorsement preparation (Hazmat, Bus, etc.), Updated 2026 test content, Unlimited free practice tests, No registration required

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 💡 Useful study tool
- 👍 Helpful for exams

**What reviewers complain about**

- 🐛 Inaccurate questions
- 💰 Annoying ads
- 🔍 Inability to review wrong answers

**Reported bugs**

- Unreliable for exam preparation
- Incompatible with real exam questions

**Requested features**

- Option to remove ads
- Ability to review incorrect answers


### CDL Prep Pro

[App page](https://appshunter.io/ios/app/cdl-prep-pro-class-b/id6772530457)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CDL Full Access | $9.99 | one-time |


## Frequently asked questions

### Is CDL DMV Written Test free?

CDL DMV Written Test is free to download, with no in-app purchases.

### Is CDL Prep Pro free?

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

### Do CDL DMV Written Test or CDL Prep Pro have ads?

CDL DMV Written Test shows ads; CDL Prep Pro does not.

### Which is updated more often, CDL DMV Written Test or CDL Prep Pro?

CDL DMV Written Test ships an update monthly, and CDL Prep Pro every 2 days. Most recently, CDL DMV Written Test was updated on September 28, 2026 and CDL Prep Pro on September 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.*