# Smithsonian vs terrakids

The clearest difference is in-app purchases: terrakids at none against Smithsonian's 2. Smithsonian's advantage is iOS requirement (13.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Smithsonian sells 2 one-off in-app purchases. terrakids asks for nothing beyond the download.

## The numbers

| Metric | Smithsonian | terrakids |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 285 MB | 44 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PlayDate Digital](https://appshunter.io/developer/652113715) | [ADRIANA MATILDA CRUZ RITO](https://appshunter.io/developer/1887993921) |

## What reviewers say

### Smithsonian

[App page](https://appshunter.io/ios/app/smithsonian-planets/id6504839302)

Explore the solar system with interactive games and animations. Learn fascinating facts about planets, moons, and the asteroid belt. Designed for curious young minds to introduce astronomy basics.

**Highlights:** Fascinating facts about the solar system, Mini games like Space Winter Rush, Interactive activities, Educational animations, Read to Me text, Collect planet badges

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Buy 5 Planets | $2.99 | one-time |


### terrakids

[App page](https://appshunter.io/ios/app/terrakids/id6761142024)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smithsonian free?

Smithsonian is free to download, with in-app purchases available.

### Is terrakids free?

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

### Do Smithsonian or terrakids have ads?

Neither Smithsonian nor terrakids 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.*