# Rainfall Sandbox vs KIRAKU

The clearest difference is ads: Rainfall Sandbox at none against KIRAKU's shown. Rainfall Sandbox also leads on iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Rainfall Sandbox | KIRAKU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rainfall-sandbox/id6736621542/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 5 months |
| Monetization | Free | — |
| Size | 49 MB | 31 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Smithsonian Institution](https://appshunter.io/developer/370564865) | [Fuji Bit Inc.](https://appshunter.io/developer/1874205957) |

## What reviewers say

### Rainfall Sandbox

[App page](https://appshunter.io/ios/app/rainfall-sandbox/id6736621542)

Explore the relationship between weather and landforms by building your own world. This simulation allows you to experiment with different terrains and observe how rainclouds interact with them, revealing scientific principles like orographic lift. It's designed for play-based learning about Earth's systems.

**Highlights:** World building with land and water formations, Dynamic simulation of orographic lift, Observation of raincloud behavior, Play and discovery-based learning, Introduction to geosphere concepts, Aligned to 3rd-5th grade science standards

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

**In-app purchases:** none


### KIRAKU

[App page](https://appshunter.io/ios/app/kiraku/id6770421534)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rainfall Sandbox free?

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

### Is KIRAKU free?

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

### Do Rainfall Sandbox or KIRAKU have ads?

KIRAKU shows ads; Rainfall Sandbox 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.*