# Kids Explore Planets & Space vs Smithsonian

The clearest difference is review sentiment: Smithsonian at 100% against Kids Explore Planets & Space's 0%. Smithsonian also leads on price (Free vs $0.99). Kids Explore Planets & Space's advantage is in-app purchases (none vs 2) and update cadence (monthly vs every 3 months). On ads and device support there is nothing between them.

Smithsonian is free to download; Kids Explore Planets & Space costs $0.99 up front. Smithsonian sells 2 one-off in-app purchases. Kids Explore Planets & Space asks for nothing beyond the download.

Kids Explore Planets & Space ships an update monthly, Smithsonian every 3 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Kids Explore Planets & Space | Smithsonian |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.7 (6 ratings)](https://appshunter.io/ios/app/kids-explore-planets-and-space/id1447803150/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 206 MB | 285 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Bosijie Technology LLC.](https://appshunter.io/developer/1437710910) | [PlayDate Digital Inc.](https://appshunter.io/developer/652113715) |

## What reviewers say

### Kids Explore Planets & Space

[App page](https://appshunter.io/ios/app/kids-explore-planets-and-space/id1447803150)

Discover the solar system and constellations through 19 interactive learning games. This app provides fun facts and engaging content to help children master space knowledge and satisfy their curiosity about the universe.

**Highlights:** 19 educational space games, Learn 23 constellations, Fun space facts, Interactive learning, Master space knowledge, Explore planets and celestial bodies

**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 Kids Explore Planets & Space free?

Kids Explore Planets & Space costs $0.99, with no in-app purchases.

### Is Smithsonian free?

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

### Do Kids Explore Planets & Space or Smithsonian have ads?

Neither Kids Explore Planets & Space nor Smithsonian shows ads.

### Which is updated more often, Kids Explore Planets & Space or Smithsonian?

Kids Explore Planets & Space ships an update monthly, and Smithsonian every 3 months. Most recently, Kids Explore Planets & Space was updated on October 24, 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.*