# Smithsonian vs aha earth

The clearest difference is in-app purchases: aha earth at none against Smithsonian's 2. On price, ads, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Smithsonian | aha earth |
| --- | --- | --- |
| 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 | 51 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PlayDate Digital](https://appshunter.io/developer/652113715) | [DORAAI HK LIMITED](https://appshunter.io/developer/1739309850) |

## 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 |


### aha earth

[App page](https://appshunter.io/ios/app/aha-earth/id6608968197)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smithsonian free?

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

### Is aha earth free?

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

### Do Smithsonian or aha earth have ads?

Neither Smithsonian nor aha earth 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.*