# pxSat3D vs Cosmos

The clearest difference is in-app purchases: Cosmos at none against pxSat3D's 2. Cosmos also leads on update cadence (daily vs every 3 months). pxSat3D's advantage is device support (4 vs 1) and iOS requirement (13.0 vs 17.0). On price, review sentiment and ads there is nothing between them.

Both are free to download. pxSat3D sells 2 one-off in-app purchases. Cosmos asks for nothing beyond the download.

pxSat3D ships an update every 3 months, Cosmos daily. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | pxSat3D | Cosmos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/pxsat3d/id1493707854/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 12 MB | 67 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [P'tit Xav](https://appshunter.io/developer/373775246) | [Salih Yusuf Goktas](https://appshunter.io/developer/1693054465) |

## What reviewers say

### pxSat3D

[App page](https://appshunter.io/ios/app/pxsat3d/id1493707854)

Visualize real-time satellite orbits around Earth. Explore the density of specific satellite types in orbit. Performance may vary on older devices.

**Highlights:** Real-time satellite tracking, Visualize satellite orbits, Quantify satellite types, Space traffic visualization, Educational space data

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip | $0.99 | one-time |
| Tip | $2.99 | one-time |


### 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 pxSat3D free?

pxSat3D is free to download, with in-app purchases available.

### Is Cosmos free?

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

### Do pxSat3D or Cosmos have ads?

Neither pxSat3D nor Cosmos shows ads.

### Which is updated more often, pxSat3D or Cosmos?

pxSat3D ships an update every 3 months, and Cosmos daily. Most recently, pxSat3D was updated on October 18, 2026 and Cosmos on October 24, 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.*