# Kidz Learn Rocks vs CloudLabs What is Light?

The clearest difference is price: CloudLabs What is Light? at Free against Kidz Learn Rocks's $2.99. CloudLabs What is Light? also leads on update cadence (every 6 months vs every 29 months) and iOS requirement (10.0 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

CloudLabs What is Light? is free to download; Kidz Learn Rocks costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Kidz Learn Rocks ships an update every 29 months, CloudLabs What is Light? every 6 months. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Kidz Learn Rocks | CloudLabs What is Light? |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cloudlabs-what-is-light/id1660127883/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 6 months** |
| Monetization | — | Free |
| Size | 15 MB | 171 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Gomathy Shankaran](https://appshunter.io/developer/503956143) | [Jiovany Orozco](https://appshunter.io/developer/1114670847) |

## What reviewers say

### Kidz Learn Rocks

[App page](https://appshunter.io/ios/app/kidz-learn-rocks/id1467550863)

**In-app purchases:** none


### CloudLabs What is Light?

[App page](https://appshunter.io/ios/app/cloudlabs-what-is-light/id1660127883)

Explore the nature of light through interactive simulations. Classify natural and artificial light sources and experiment with how light interacts with various materials. This educational tool offers a hands-on approach to understanding fundamental physics concepts.

**Highlights:** Classify natural and artificial light sources, Simulate light travel through materials, Interactive educational experiments, Understand light physics concepts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kidz Learn Rocks free?

Kidz Learn Rocks costs $2.99, with no in-app purchases.

### Is CloudLabs What is Light? free?

CloudLabs What is Light? is free to download, with no in-app purchases.

### Do Kidz Learn Rocks or CloudLabs What is Light? have ads?

Neither Kidz Learn Rocks nor CloudLabs What is Light? shows ads.

### Which is updated more often, Kidz Learn Rocks or CloudLabs What is Light??

Kidz Learn Rocks ships an update every 29 months, and CloudLabs What is Light? every 6 months. Most recently, Kidz Learn Rocks was updated on October 16, 2026 and CloudLabs What is Light? on October 7, 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.*