# Space & the Solar System Lite vs Solar System&Celestial Objects

The clearest difference is update cadence: Solar System&Celestial Objects at every 6 weeks against Space & the Solar System Lite's every 4 months. Space & the Solar System Lite's advantage is iOS requirement (7.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Space & the Solar System Lite ships an update every 4 months, Solar System&Celestial Objects every 6 weeks. The most recent releases landed on October 6, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Space & the Solar System Lite | Solar System&Celestial Objects |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (8 ratings)](https://appshunter.io/ios/app/space-and-the-solar-system-lite/id1449215320/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Ad-supported | — |
| Size | 185 MB | 62 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Bosijie Technology LLC.](https://appshunter.io/developer/1437710910) | [NIKI TECH](https://appshunter.io/developer/1788609104) |

## What reviewers say

### Space & the Solar System Lite

[App page](https://appshunter.io/ios/app/space-and-the-solar-system-lite/id1449215320)

Explore the cosmos with interactive games and fun facts about planets, stars, and galaxies. This app helps children independently master space knowledge and satisfy their curiosity about the universe.

**Highlights:** Interactive educational games, Fun space facts, Learn about planets and celestial bodies, Planet positioning and movement, Over 100 space nouns, Independent learning through play

**Features:** macOS Compatibility

**In-app purchases:** none


### Solar System&Celestial Objects

[App page](https://appshunter.io/ios/app/solar-system-and-celestial-objects/id6503188651)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Space & the Solar System Lite free?

Space & the Solar System Lite is free to download, with no in-app purchases.

### Is Solar System&Celestial Objects free?

Solar System&Celestial Objects is free to download, with no in-app purchases.

### Do Space & the Solar System Lite or Solar System&Celestial Objects have ads?

Both Space & the Solar System Lite and Solar System&Celestial Objects show ads.

### Which is updated more often, Space & the Solar System Lite or Solar System&Celestial Objects?

Space & the Solar System Lite ships an update every 4 months, and Solar System&Celestial Objects every 6 weeks. Most recently, Space & the Solar System Lite was updated on October 6, 2026 and Solar System&Celestial Objects on October 18, 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.*