# Zenith vs Satellite Tracker / Radar

The clearest difference is ads: Zenith at none against Satellite Tracker / Radar's shown. Zenith also leads on rating (4.8 vs 4.4) and monetization model (free vs ad-supported). Satellite Tracker / Radar's advantage is update cadence (weekly vs every 13 months) and ratings volume (34 vs 5). On price, in-app purchases and device support 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 4.4. That said, the two scores are not equally well evidenced: Satellite Tracker / Radar has 34 ratings behind it against 5, so its average is the more settled of the two.

Zenith ships an update every 13 months, Satellite Tracker / Radar weekly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Zenith | Satellite Tracker / Radar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/zenith-iss-live-tracker/id6630373131/reviews)** | [4.4 (34 ratings)](https://appshunter.io/ios/app/satellite-tracker-radar/id6754342861/reviews) |
| Number of ratings | 5 | **34** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 7 MB | 66 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aurelien Grifasi](https://appshunter.io/developer/1143814442) | [MICHAL DOMINIK GIZA](https://appshunter.io/developer/1823987250) |

## What reviewers say

### 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


### Satellite Tracker / Radar

[App page](https://appshunter.io/ios/app/satellite-tracker-radar/id6754342861)

Explore the night sky with this AR-powered guide. Identify satellites like the ISS and Starlink, constellations, and stars by pointing your phone at the sky. Get real-time tracking, pass predictions, and notifications for visible celestial events.

**Highlights:** AR Sky Guide, Satellite tracking (ISS, Starlink), Constellation and star identification, Live sky radar and 3D globe, Pass predictions and notifications, Offline mode, Large satellite database

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

**In-app purchases:** none


## Frequently asked questions

### Is Zenith free?

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

### Is Satellite Tracker / Radar free?

Satellite Tracker / Radar is free to download, with no in-app purchases.

### Which has better reviews, Zenith or Satellite Tracker / Radar?

Zenith is rated higher. Zenith averages 4.8 out of 5 from 5 ratings, while Satellite Tracker / Radar averages 4.4 from 34 ratings.

### Do Zenith or Satellite Tracker / Radar have ads?

Satellite Tracker / Radar shows ads; Zenith does not.

### Which is updated more often, Zenith or Satellite Tracker / Radar?

Zenith ships an update every 13 months, and Satellite Tracker / Radar weekly. Most recently, Zenith was updated on November 4, 2026 and Satellite Tracker / Radar on November 5, 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.*