# Cosmos vs Solar System&Celestial Objects

The clearest difference is ads: Cosmos at none against Solar System&Celestial Objects's shown. Cosmos also leads on update cadence (every 6 days vs every 6 weeks) and iOS requirement (10.0 vs 12.0). On price, 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.

Cosmos ships an update every 6 days, Solar System&Celestial Objects every 6 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Cosmos | Solar System&Celestial Objects |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 6 weeks |
| Monetization | Free | — |
| Size | 67 MB | 62 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tarento Technologies](https://appshunter.io/developer/1160107887) | [NIKI TECH](https://appshunter.io/developer/1788609104) |

## What reviewers say

### Cosmos

[App page](https://appshunter.io/ios/app/cosmos-expanding-horizons/id1462752589)

Explore our solar system and planets using augmented reality. Learn about celestial bodies through interactive content and test your knowledge with engaging quizzes. Earn collectible stickers as you progress through levels.

**Highlights:** Augmented reality solar system view, Planet knowledge quiz, Unlockable levels, Sticker rewards, Interactive learning content

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

**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 Cosmos free?

Cosmos 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 Cosmos or Solar System&Celestial Objects have ads?

Solar System&Celestial Objects shows ads; Cosmos does not.

### Which is updated more often, Cosmos or Solar System&Celestial Objects?

Cosmos ships an update every 6 days, and Solar System&Celestial Objects every 6 weeks. Most recently, Cosmos was updated on October 29, 2026 and Solar System&Celestial Objects on October 25, 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.*