# Space Station Tracker vs ISS Tracker

The clearest difference is in-app purchases: Space Station Tracker at none against ISS Tracker's 3. ISS Tracker's advantage is update cadence (every 9 days vs every 20 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ISS Tracker sells 3 in-app purchases, starting at $3.99 per 7 days. Space Station Tracker asks for nothing beyond the download.

Space Station Tracker ships an update every 20 months, ISS Tracker every 9 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Space Station Tracker | ISS Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/space-station-tracker/id1673123826/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 4 MB | 63 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jaimeson Bilodeau](https://appshunter.io/developer/426891054) | [Lalsang Chauhan](https://appshunter.io/developer/6777027233) |

## What reviewers say

### Space Station Tracker

[App page](https://appshunter.io/ios/app/space-station-tracker/id1673123826)

Follow the International Space Station's live location on a globe and get alerts for visible flyovers at your exact location. Features a compass view to help you spot it in the sky.

**Highlights:** Real-time ISS location tracking, Globe view with orbital trajectory, Upcoming visible flyover alerts, GPS-based viewing calculations, Compass view for sky spotting, Azimuth and elevation details

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

**In-app purchases:** none


### ISS Tracker

[App page](https://appshunter.io/ios/app/iss-tracker-isswatch/id6790068184)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ISSWatch Pro Weekly | $3.99 | per 7 days |
| ISSWatch Pro YearlyGift | $9.99 | per year |
| ISSWatch Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Space Station Tracker free?

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

### Is ISS Tracker free?

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

### Do Space Station Tracker or ISS Tracker have ads?

Neither Space Station Tracker nor ISS Tracker shows ads.

### Which is updated more often, Space Station Tracker or ISS Tracker?

Space Station Tracker ships an update every 20 months, and ISS Tracker every 9 days. Most recently, Space Station Tracker was updated on October 24, 2026 and ISS Tracker 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.*