# Arloon Solar System vs Smithsonian

The clearest difference is review sentiment: Smithsonian at 100% against Arloon Solar System's 0%. Smithsonian also leads on price (Free vs $2.99). Arloon Solar System's advantage is in-app purchases (none vs 2) and iOS requirement (9.0 vs 13.0). On update cadence, ads and device support there is nothing between them.

Smithsonian is free to download; Arloon Solar System costs $2.99 up front. Smithsonian sells 2 one-off in-app purchases. Arloon Solar System asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Arloon Solar System | Smithsonian |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/arloon-solar-system/id972569888/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 297 MB | 285 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [WANT2B S.L.](https://appshunter.io/developer/1123707383) | [PlayDate Digital](https://appshunter.io/developer/652113715) |

## What reviewers say

### Arloon Solar System

[App page](https://appshunter.io/ios/app/arloon-solar-system/id972569888)

Explore the solar system and Earth's phenomena through interactive 3D models and engaging activities. This app is designed for students aged 6-13 to foster understanding of astronomy and space concepts.

**Highlights:** Interactive 3D solar system models, Augmented Reality exploration, Explanations of celestial bodies, Earth's rotation, translation, and seasons, Moon phases and eclipses, Self-correcting quizzes, Multilingual support

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Arloon Solar System free?

Arloon Solar System costs $2.99, with no in-app purchases.

### Is Smithsonian free?

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

### Do Arloon Solar System or Smithsonian have ads?

Neither Arloon Solar System nor Smithsonian shows ads.

### Which is updated more often, Arloon Solar System or Smithsonian?

Arloon Solar System ships an update every 3 months, and Smithsonian every 3 months. Most recently, Arloon Solar System was updated on October 16, 2026 and Smithsonian on October 9, 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.*