# CDL Quiz vs CDL Prep +

The clearest difference is in-app purchases: CDL Quiz at none against CDL Prep +'s 5. CDL Quiz also leads on update cadence (daily vs monthly). CDL Prep +'s advantage is ads (none vs shown) and iOS requirement (16.0 vs 18.2). On price and device support there is nothing between them.

Both are free to download. CDL Prep + sells 5 in-app purchases, starting at $4.99 per 7 days. CDL Quiz asks for nothing beyond the download.

CDL Quiz ships an update daily, CDL Prep + monthly. The most recent releases landed on September 8, 2026 and May 18, 2026 respectively.

## The numbers

| Metric | CDL Quiz | CDL Prep + |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Monthly |
| Size | 11 MB | 67 MB |
| Requires iOS | 18.2 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shashank Rai](https://appshunter.io/developer/1783925631) | [CLI Cyber, LLC](https://appshunter.io/developer/1831221626) |

## What reviewers say

### CDL Quiz

[App page](https://appshunter.io/ios/app/cdl-quiz/id6743070474)

**Features:** macOS Compatibility

**In-app purchases:** none


### CDL Prep +

[App page](https://appshunter.io/ios/app/cdl-prep-plus/id6749572114)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly-NoTrial | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is CDL Quiz free?

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

### Is CDL Prep + free?

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

### Do CDL Quiz or CDL Prep + have ads?

CDL Quiz shows ads; CDL Prep + does not.

### Which is updated more often, CDL Quiz or CDL Prep +?

CDL Quiz ships an update daily, and CDL Prep + monthly. Most recently, CDL Quiz was updated on September 8, 2026 and CDL Prep + on May 18, 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.*