# Olingua vs Orrery

The clearest difference is in-app purchases: Olingua at none against Orrery's 3. 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. Orrery sells 3 in-app purchases, starting at $3.99 per month. Olingua asks for nothing beyond the download.

Olingua ships an update every 2 weeks, Orrery fortnightly. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Olingua | Orrery |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 112 MB | 38 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Vladimir Nosikov](https://appshunter.io/developer/1813440971) | [khushnidjon Keldiboev](https://appshunter.io/developer/6812631199) |

## What reviewers say

### Olingua

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Orrery

[App page](https://appshunter.io/ios/app/orrery-3d-solar-system/id6816714280)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Orrery Pro — Monthly | $3.99 | per month |
| Orrery Pro — Yearly | $19.99 | per year |
| Orrery Pro — Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Olingua free?

Olingua is free to download, with no in-app purchases.

### Is Orrery free?

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

### Do Olingua or Orrery have ads?

Orrery shows ads; Olingua does not.

### Which is updated more often, Olingua or Orrery?

Olingua ships an update every 2 weeks, and Orrery fortnightly. Most recently, Olingua was updated on November 8, 2026 and Orrery on November 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.*