# LCLC vs Big Data Knowledge Test

The clearest difference is in-app purchases: LCLC at none against Big Data Knowledge Test's 2. LCLC 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. LCLC asks for nothing beyond the download.

LCLC ships an update fortnightly, Big Data Knowledge Test every 3 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | LCLC | Big Data Knowledge Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 152 MB | 9 MB |
| Requires iOS | **12.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Heather Marriott](https://appshunter.io/developer/919616194) | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) |

## What reviewers say

### LCLC

[App page](https://appshunter.io/ios/app/lclc/id6581483307)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is LCLC free?

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

### Is Big Data Knowledge Test free?

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

### Do LCLC or Big Data Knowledge Test have ads?

Neither LCLC nor Big Data Knowledge Test shows ads.

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

LCLC ships an update fortnightly, and Big Data Knowledge Test every 3 months. Most recently, LCLC was updated on October 27, 2026 and Big Data Knowledge Test on October 25, 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.*