# Planetaria vs Cosmos

The clearest difference is review sentiment: Cosmos at 100% against Planetaria's 50%. Cosmos also leads on price (Free vs $4.99) and update cadence (daily vs every 5 months). Planetaria's advantage is device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

Cosmos is free to download; Planetaria costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Planetaria ships an update every 5 months, Cosmos daily. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Planetaria | Cosmos |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.2 (16 ratings)](https://appshunter.io/ios/app/planetaria-space-simulator/id1546887479/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Daily** |
| Monetization | Paid | **Free** |
| Size | 510 MB | 67 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Rupertus](https://appshunter.io/developer/1610637143) | [Salih Yusuf Goktas](https://appshunter.io/developer/1693054465) |

## What reviewers say

### Planetaria

[App page](https://appshunter.io/ios/app/planetaria-space-simulator/id1546887479)

Explore a dynamic 3D model of the Solar System, synchronizing with real-time data to show celestial bodies in orbit. Discover planets, dwarf planets, and moons with detailed surface models. Manipulate time to view past and future solar system configurations.

**Highlights:** Interactive 3D Solar System model, Real-time celestial body positions, Detailed 3D surface models, Explore planets, dwarf planets, and moons, Time manipulation (past/future), AR integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Cosmos

[App page](https://appshunter.io/ios/app/cosmos-our-solar-system/id6480411273)

Explore our solar system with realistic 3D models of planets. Discover detailed information about atmospheric compositions, surface features, and fascinating facts. An interactive journey for space enthusiasts and curious learners.

**Highlights:** Realistic 3D planet models, Detailed atmospheric and surface information, Captivating animations, Engaging exploration interface, Fascinating space facts

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

**In-app purchases:** none


## Frequently asked questions

### Is Planetaria free?

Planetaria costs $4.99, with no in-app purchases.

### Is Cosmos free?

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

### Do Planetaria or Cosmos have ads?

Neither Planetaria nor Cosmos shows ads.

### Which is updated more often, Planetaria or Cosmos?

Planetaria ships an update every 5 months, and Cosmos daily. Most recently, Planetaria was updated on November 3, 2026 and Cosmos on November 4, 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.*