# Big Data Knowledge Test vs West Virginia CDL Prep Test

The clearest difference is ads: Big Data Knowledge Test at none against West Virginia CDL Prep Test's shown. West Virginia CDL Prep Test's advantage is device support (3 vs 1) and iOS requirement (13.4 vs 17.2). On price and in-app purchases there is nothing between them.

Both are free to download. Big Data Knowledge Test sells 2 in-app purchases, starting at $13.99 per month and West Virginia CDL Prep Test sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Big Data Knowledge Test | West Virginia CDL Prep Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | — |
| Size | 9 MB | 53 MB |
| Requires iOS | 17.2 | **13.4** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) | [Jignasha Joshi](https://appshunter.io/developer/1699384056) |

## What reviewers say

### Big Data Knowledge Test

[App page](https://appshunter.io/ios/app/big-data-knowledge-test/id6740737722)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $13.99 | per month |
| Lifetime version | $24.99 | one-time |


### West Virginia CDL Prep Test

[App page](https://appshunter.io/ios/app/west-virginia-cdl-prep-test/id6751224399)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access - 7 Days | $2.99 | per 7 days |
| Premium Access - 30 Days | $4.99 | per month |
| CDL Premium Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is Big Data Knowledge Test free?

Big Data Knowledge Test is free to download, with in-app purchases available.

### Is West Virginia CDL Prep Test free?

West Virginia CDL Prep Test is free to download, with in-app purchases available.

### Do Big Data Knowledge Test or West Virginia CDL Prep Test have ads?

West Virginia CDL Prep Test shows ads; Big Data Knowledge Test 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.*