# Big Data Knowledge Test vs CompTIA SecAI+ Exam Prep

The clearest difference is device support: CompTIA SecAI+ Exam Prep at 3 against Big Data Knowledge Test's 1. CompTIA SecAI+ Exam Prep also leads on iOS requirement (15.1 vs 17.2). On price, ads 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 CompTIA SecAI+ Exam Prep sells 1 in-app purchase, starting at $24.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Big Data Knowledge Test | CompTIA SecAI+ Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 9 MB | 56 MB |
| Requires iOS | 17.2 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) | [Quizzard Exam Preperation Inc.](https://appshunter.io/developer/1707617401) |

## 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 |


### CompTIA SecAI+ Exam Prep

[App page](https://appshunter.io/ios/app/comptia-secai-plus-exam-prep/id6797534309)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $24.99 | per month |


## Frequently asked questions

### Is Big Data Knowledge Test free?

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

### Is CompTIA SecAI+ Exam Prep free?

CompTIA SecAI+ Exam Prep is free to download, with in-app purchases available.

### Do Big Data Knowledge Test or CompTIA SecAI+ Exam Prep have ads?

Neither Big Data Knowledge Test nor CompTIA SecAI+ Exam Prep shows 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.*