# CDL DMV Written Test vs CDL General Knowledge Prep 26

The clearest difference is in-app purchases: CDL DMV Written Test at none against CDL General Knowledge Prep 26's 4. CDL General Knowledge Prep 26's advantage is iOS requirement (13.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. CDL General Knowledge Prep 26 sells 4 in-app purchases, starting at $4.99 per 7 days. CDL DMV Written Test asks for nothing beyond the download.

## The numbers

| Metric | CDL DMV Written Test | CDL General Knowledge Prep 26 |
| --- | --- | --- |
| 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** | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | — |
| Monetization | Ad-supported | — |
| Size | 83 MB | 24 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Infinity Loop Capital LLc](https://appshunter.io/developer/1480211134) | [Mert Demir](https://appshunter.io/developer/1864769723) |

## 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 General Knowledge Prep 26

[App page](https://appshunter.io/ios/app/cdl-general-knowledge-prep-26/id6759219235)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $4.99 | per 7 days |
| Monthly Pro | $9.99 | per month |
| Quarterly Access | $19.99 | per 3 months |
| Yearly Access | $39.99 | per year |


## Frequently asked questions

### Is CDL DMV Written Test free?

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

### Is CDL General Knowledge Prep 26 free?

CDL General Knowledge Prep 26 is free to download, with in-app purchases available.

### Do CDL DMV Written Test or CDL General Knowledge Prep 26 have ads?

Both CDL DMV Written Test and CDL General Knowledge Prep 26 show ads.

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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.*