# Space Station Tracker vs Zenith

The clearest difference is rating: Zenith at 4.8 against Space Station Tracker's 4.6. On price, ratings volume, update cadence 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.

Zenith holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 5 and 5 respectively.

Space Station Tracker ships an update every 20 months, Zenith every 13 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Space Station Tracker | Zenith |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (5 ratings)](https://appshunter.io/ios/app/space-station-tracker/id1673123826/reviews) | **[4.8 (5 ratings)](https://appshunter.io/ios/app/zenith-iss-live-tracker/id6630373131/reviews)** |
| Number of ratings | 5 | 5 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 13 months** |
| Monetization | Free | Free |
| Size | 4 MB | 7 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jaimeson Bilodeau](https://appshunter.io/developer/426891054) | [Aurelien Grifasi](https://appshunter.io/developer/1143814442) |

## 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


### Zenith

[App page](https://appshunter.io/ios/app/zenith-iss-live-tracker/id6630373131)

Explore Earth in a 3D simulation and track the International Space Station's real-time orbit. Experience a rotating planet with dynamic soundscapes and see the current number of astronauts on board.

**Highlights:** 3D Earth simulation, Real-time ISS orbit tracking, Live astronaut count, Dynamic soundscapes, Earth rotation view

**Features:** macOS Compatibility

**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 Zenith free?

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

### Which has better reviews, Space Station Tracker or Zenith?

Zenith is rated higher. Space Station Tracker averages 4.6 out of 5 from 5 ratings, while Zenith averages 4.8 from 5 ratings.

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

Neither Space Station Tracker nor Zenith shows ads.

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

Space Station Tracker ships an update every 20 months, and Zenith every 13 months. Most recently, Space Station Tracker was updated on October 24, 2026 and Zenith 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.*