# CDL DMV Written Test vs CDL Study Prep

The clearest difference is ads: CDL Study Prep at none against CDL DMV Written Test's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | CDL DMV Written Test | CDL Study Prep |
| --- | --- | --- |
| 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 | 68.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Monetization | Ad-supported | — |
| Size | 83 MB | 35 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) | [Damilola Adedeji](https://appshunter.io/developer/1092994289) |

## 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 Study Prep

[App page](https://appshunter.io/ios/app/cdl-study-prep-2026/id6763359347)

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

**In-app purchases:** none


## Frequently asked questions

### Is CDL DMV Written Test free?

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

### Is CDL Study Prep free?

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

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

CDL DMV Written Test shows ads; CDL Study Prep 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.*