# Space Station Passes vs SatNOGS

The clearest difference is update cadence: Space Station Passes at every 2 days against SatNOGS's every 5 months. SatNOGS's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Space Station Passes against 5.0 for SatNOGS. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Space Station Passes ships an update every 2 days, SatNOGS every 5 months. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Space Station Passes | SatNOGS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/space-station-passes/id1578649430/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/satnogs/id1669797826/reviews) |
| Number of ratings | 2 | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 months |
| Monetization | Free | Free |
| Size | 216 MB | 48 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sihao Lu](https://appshunter.io/developer/521404296) | [Victor Belov](https://appshunter.io/developer/1356487489) |

## What reviewers say

### Space Station Passes

[App page](https://appshunter.io/ios/app/space-station-passes/id1578649430)

This app predicts when the International Space Station and Tiangong will pass over your location. It offers detailed sky charts, timely notifications, and a night mode for optimal viewing. Track over 4000 satellites with real-time sky views.

**Highlights:** Satellite pass prediction, Interactive sky chart, Customizable notifications, Night mode, Real-time satellite tracking

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

**In-app purchases:** none


### SatNOGS

[App page](https://appshunter.io/ios/app/satnogs/id1669797826)

Access a global network of satellite ground stations to communicate with satellites and observe their data. The platform is open to all, with public observation results freely distributed. Resources are available for building your own ground station.

**Highlights:** Global ground station network access, Remote ground station operation, Satellite communication, Public observation data access, Ground station building resources

**In-app purchases:** none


## Frequently asked questions

### Is Space Station Passes free?

Space Station Passes is free to download, with no in-app purchases.

### Is SatNOGS free?

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

### Which has better reviews, Space Station Passes or SatNOGS?

Space Station Passes and SatNOGS are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do Space Station Passes or SatNOGS have ads?

Neither Space Station Passes nor SatNOGS shows ads.

### Which is updated more often, Space Station Passes or SatNOGS?

Space Station Passes ships an update every 2 days, and SatNOGS every 5 months. Most recently, Space Station Passes was updated on October 10, 2026 and SatNOGS on October 16, 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.*