# CDL DMV Written Test vs CDL Zero Permit Practice

The clearest difference is in-app purchases: CDL DMV Written Test at none against CDL Zero Permit Practice's 4. CDL DMV Written Test also leads on ratings volume (1.5K vs 1) and update cadence (monthly vs every 2 months). CDL Zero Permit Practice's advantage is ads (none vs shown). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. CDL Zero Permit Practice sells 4 in-app purchases, starting at $9.99 per month. CDL DMV Written Test asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for CDL DMV Written Test against 5.0 for CDL Zero Permit Practice. That said, the two scores are not equally well evidenced: CDL DMV Written Test has 1.5K ratings behind it against 1, so its average is the more settled of the two.

CDL DMV Written Test ships an update monthly, CDL Zero Permit Practice every 2 months. The most recent releases landed on October 11, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | CDL DMV Written Test | CDL Zero Permit Practice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (1.5K ratings)](https://appshunter.io/ios/app/cdl-dmv-written-test/id6502847914/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cdl-zero-permit-practice/id6757250472/reviews)** |
| Number of ratings | **1.5K** | 1 |
| Positive reviews | 68.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | **Ad-supported** | Freemium |
| Size | 83 MB | 38 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) | [Victor Rodriguez](https://appshunter.io/developer/1865544820) |

## 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 Zero Permit Practice

[App page](https://appshunter.io/ios/app/cdl-zero-permit-practice/id6757250472)

Prepare for your Commercial Driver's License (CDL) permit exam with realistic practice questions and progress tracking. This app offers a focused, distraction-free study experience for aspiring Class A and Class B drivers.

**Highlights:** Practice questions based on official CDL topics, Exam-style question sets, Progress tracking, Distraction-free design, Mobile-friendly learning

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CDL Zero Premium (Monthly) | $9.99 | per month |
| CDL Zero Yearly | $29.99 | per year |
| CDL Zero Standard Pass | $14.99 | one-time |
| CDL Zero Lifetime | $49.99 | 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 Zero Permit Practice free?

CDL Zero Permit Practice is free to download, with in-app purchases available.

### Which has better reviews, CDL DMV Written Test or CDL Zero Permit Practice?

CDL Zero Permit Practice is rated higher. CDL DMV Written Test averages 4.9 out of 5 from 1.5K ratings, while CDL Zero Permit Practice averages 5.0 from 1 ratings.

### Do CDL DMV Written Test or CDL Zero Permit Practice have ads?

CDL DMV Written Test shows ads; CDL Zero Permit Practice does not.

### Which is updated more often, CDL DMV Written Test or CDL Zero Permit Practice?

CDL DMV Written Test ships an update monthly, and CDL Zero Permit Practice every 2 months. Most recently, CDL DMV Written Test was updated on October 11, 2026 and CDL Zero Permit Practice on September 24, 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.*