# Space Station Tracker vs ISS Pass Finder

The clearest difference is update cadence: ISS Pass Finder at daily against Space Station Tracker's every 20 months. ISS Pass Finder also leads on rating (5.0 vs 4.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

ISS Pass Finder holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

Space Station Tracker ships an update every 20 months, ISS Pass Finder daily. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Space Station Tracker | ISS Pass Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (5 ratings)](https://appshunter.io/ios/app/space-station-tracker/id1673123826/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/iss-pass-finder/id6766076547/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Daily** |
| Monetization | Free | Free |
| Size | 4 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jaimeson Bilodeau](https://appshunter.io/developer/426891054) | [Bill Bozeman](https://appshunter.io/developer/1805987087) |

## 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 Pass Finder

[App page](https://appshunter.io/ios/app/iss-pass-finder/id6766076547)

This app predicts International Space Station passes and rates them based on real-time weather and visibility. It uses augmented reality to guide you to the exact viewing position in the sky, helping you avoid mistaking planes for the ISS.

**Highlights:** Real-time weather and visibility scoring, Pass ratings: Poor / Maybe / Excellent, Augmented Reality sky tracking, Accurate ISS pass predictions, Eliminates false sightings

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

**In-app purchases:** none


## Frequently asked questions

### Is Space Station Tracker free?

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

### Is ISS Pass Finder free?

ISS Pass Finder is free to download, with no in-app purchases.

### Which has better reviews, Space Station Tracker or ISS Pass Finder?

ISS Pass Finder is rated higher. Space Station Tracker averages 4.6 out of 5 from 5 ratings, while ISS Pass Finder averages 5.0 from 2 ratings.

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

Neither Space Station Tracker nor ISS Pass Finder shows ads.

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

Space Station Tracker ships an update every 20 months, and ISS Pass Finder daily. Most recently, Space Station Tracker was updated on November 3, 2026 and ISS Pass Finder 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.*