# PlanetenSpielundApp2b vs Smithsonian

The clearest difference is in-app purchases: PlanetenSpielundApp2b at none against Smithsonian's 2. Smithsonian's advantage is update cadence (every 3 months vs every 7 months) and iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Smithsonian sells 2 one-off in-app purchases. PlanetenSpielundApp2b asks for nothing beyond the download.

PlanetenSpielundApp2b ships an update every 7 months, Smithsonian every 3 months. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | PlanetenSpielundApp2b | Smithsonian |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/planetenspielundapp2b/id1494749871/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 152 MB | 285 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Steffen Rokosch](https://appshunter.io/developer/1448755222) | [PlayDate Digital Inc.](https://appshunter.io/developer/652113715) |

## What reviewers say

### PlanetenSpielundApp2b

[App page](https://appshunter.io/ios/app/planetenspielundapp2b/id1494749871)

An educational game designed for children to explore and learn about celestial bodies, including planets, moons, stars, and black holes. It features a gravitation arena to demonstrate Newton's laws of motion.

**Highlights:** Learn about planets, moons, and stars, Explore black holes and nebulae, Gravitation arena for physics demonstrations, Interactive celestial body learning, Newton's laws of motion explained

**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 PlanetenSpielundApp2b free?

PlanetenSpielundApp2b is free to download, with no in-app purchases.

### Is Smithsonian free?

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

### Do PlanetenSpielundApp2b or Smithsonian have ads?

Neither PlanetenSpielundApp2b nor Smithsonian shows ads.

### Which is updated more often, PlanetenSpielundApp2b or Smithsonian?

PlanetenSpielundApp2b ships an update every 7 months, and Smithsonian every 3 months. Most recently, PlanetenSpielundApp2b was updated on October 15, 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.*