# Big Data Knowledge Test vs CS Quest

The clearest difference is in-app purchases: CS Quest at none against Big Data Knowledge Test's 2. CS Quest also leads on update cadence (fortnightly vs every 3 months) and device support (3 vs 1). On price and ads 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. CS Quest asks for nothing beyond the download.

Big Data Knowledge Test ships an update every 3 months, CS Quest fortnightly. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Big Data Knowledge Test | CS Quest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 9 MB | 21 MB |
| Requires iOS | 17.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) | [PriyankRaj Katariya](https://appshunter.io/developer/6802582833) |

## 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 |


### CS Quest

[App page](https://appshunter.io/ios/app/cs-quest-block-coding-game/id6813055282)

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

**In-app purchases:** none


## Frequently asked questions

### Is Big Data Knowledge Test free?

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

### Is CS Quest free?

CS Quest is free to download, with no in-app purchases.

### Do Big Data Knowledge Test or CS Quest have ads?

Neither Big Data Knowledge Test nor CS Quest shows ads.

### Which is updated more often, Big Data Knowledge Test or CS Quest?

Big Data Knowledge Test ships an update every 3 months, and CS Quest fortnightly. Most recently, Big Data Knowledge Test was updated on October 25, 2026 and CS Quest on October 26, 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.*