# Astris vs 3D Solar System Tour

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

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

Astris ships an update every 3 months, 3D Solar System Tour every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Astris | 3D Solar System Tour |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 21 MB | 74 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ISTITUTI EDMONDO DE AMICIS SRL](https://appshunter.io/developer/1219261025) | [Takashi Imamura](https://appshunter.io/developer/1801902689) |

## What reviewers say

### Astris

[App page](https://appshunter.io/ios/app/astris/id6454899891)

**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 Astris free?

Astris 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 Astris or 3D Solar System Tour have ads?

3D Solar System Tour shows ads; Astris does not.

### Which is updated more often, Astris or 3D Solar System Tour?

Astris ships an update every 3 months, and 3D Solar System Tour every 3 weeks. Most recently, Astris was updated on November 3, 2026 and 3D Solar System Tour on October 30, 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.*