# Olingua vs 3D Solar System Tour

The clearest difference is in-app purchases: Olingua at none against 3D Solar System Tour's 1. Olingua also leads on ads (none vs shown). On price, update cadence, 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. Olingua asks for nothing beyond the download.

Olingua ships an update every 2 weeks, 3D Solar System Tour every 3 weeks. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Olingua | 3D Solar System Tour |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 112 MB | 74 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Nosikov](https://appshunter.io/developer/1813440971) | [Takashi Imamura](https://appshunter.io/developer/1801902689) |

## What reviewers say

### Olingua

[App page](https://appshunter.io/ios/app/olingua/id6745717092)

**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 Olingua free?

Olingua 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 Olingua or 3D Solar System Tour have ads?

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

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

Olingua ships an update every 2 weeks, and 3D Solar System Tour every 3 weeks. Most recently, Olingua was updated on October 28, 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.*