# CDL Prep vs CDL 中文备考

The clearest difference is in-app purchases: CDL Prep at none against CDL 中文备考's 2. CDL Prep also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). CDL 中文备考's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. CDL 中文备考 sells 2 in-app purchases, starting at $24.99 per month. CDL Prep asks for nothing beyond the download.

CDL Prep ships an update fortnightly, CDL 中文备考 every 3 weeks. The most recent releases landed on September 30, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | CDL Prep | CDL 中文备考 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/cdl/id6806348835/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 38 MB | 53 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [White Hat Mgmt LLC](https://appshunter.io/developer/6803319341) | [MINGTU LLC](https://appshunter.io/developer/6782452175) |

## What reviewers say

### CDL Prep

[App page](https://appshunter.io/ios/app/cdl-prep-cdl-practice-test/id6803319339)

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

**In-app purchases:** none


### CDL 中文备考

[App page](https://appshunter.io/ios/app/cdl/id6806348835)

Prepare for your CDL road test with this app, offering comprehensive Chinese explanations for all CDL questions and English practice for police interactions. It includes free access to the CDL question bank and diagnostic tests, with optional subscriptions for advanced road test training.

**Highlights:** CDL question bank with Chinese explanations, Simulated tests and error correction, Roadside inspection English dialogue practice, Road sign recognition and pronunciation, Pre-trip inspection verbalization, Offline availability

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 路检英语 月付 | $24.99 | per month |
| 路检英语 年付 | $99.99 | per year |


## Frequently asked questions

### Is CDL Prep free?

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

### Is CDL 中文备考 free?

CDL 中文备考 is free to download, with in-app purchases available.

### Do CDL Prep or CDL 中文备考 have ads?

CDL Prep shows ads; CDL 中文备考 does not.

### Which is updated more often, CDL Prep or CDL 中文备考?

CDL Prep ships an update fortnightly, and CDL 中文备考 every 3 weeks. Most recently, CDL Prep was updated on September 30, 2026 and CDL 中文备考 on October 4, 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.*