# Solar System&Celestial Objects vs 3D Solar System Tour

The clearest difference is in-app purchases: Solar System&Celestial Objects at none against 3D Solar System Tour's 1. Solar System&Celestial Objects also leads on iOS requirement (12.0 vs 15.0). 3D Solar System Tour's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. 3D Solar System Tour sells 1 one-off in-app purchase. Solar System&Celestial Objects asks for nothing beyond the download.

Solar System&Celestial Objects ships an update every 6 weeks, 3D Solar System Tour every 3 weeks. The most recent releases landed on October 25, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Solar System&Celestial Objects | 3D Solar System Tour |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 62 MB | 74 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NIKI TECH](https://appshunter.io/developer/1788609104) | [Takashi Imamura](https://appshunter.io/developer/1801902689) |

## What reviewers say

### Solar System&Celestial Objects

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 3D Solar System Tour

[App page](https://appshunter.io/ios/app/3d-solar-system-tour/id6755645976)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $5.00 | one-time |


## Frequently asked questions

### Is Solar System&Celestial Objects free?

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

### Is 3D Solar System Tour free?

3D Solar System Tour is free to download, with in-app purchases available.

### Do Solar System&Celestial Objects or 3D Solar System Tour have ads?

Both Solar System&Celestial Objects and 3D Solar System Tour show ads.

### Which is updated more often, Solar System&Celestial Objects or 3D Solar System Tour?

Solar System&Celestial Objects ships an update every 6 weeks, and 3D Solar System Tour every 3 weeks. Most recently, Solar System&Celestial Objects was updated on October 25, 2026 and 3D Solar System Tour on October 6, 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.*