# Copernicus Sentinel vs Satellite Tracker / Radar

Copernicus Sentinel and Satellite Tracker / Radar both sit at 4.4 stars, but that hides the real split: 50% of Satellite Tracker / Radar's written reviews are positive against 14% of Copernicus Sentinel's. Satellite Tracker / Radar also leads on update cadence (weekly vs every 2 months). Copernicus Sentinel's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, rating, ratings volume 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.

On the App Store both sit at effectively the same score — 4.4 for Copernicus Sentinel against 4.4 for Satellite Tracker / Radar. Both are backed by a comparable volume of ratings — 19 and 31 respectively. Written reviews are what separate them: 14% of Copernicus Sentinel's written reviews are positive against 50% of Satellite Tracker / Radar's.

Copernicus Sentinel ships an update every 2 months, Satellite Tracker / Radar weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Copernicus Sentinel | Satellite Tracker / Radar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (19 ratings)](https://appshunter.io/ios/app/copernicus-sentinel/id1036738151/reviews) | **[4.4 (31 ratings)](https://appshunter.io/ios/app/satellite-tracker-radar/id6754342861/reviews)** |
| Number of ratings | 19 | **31** |
| Positive reviews | 14.3% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 56 MB | 66 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ESA - European Space Agency](https://appshunter.io/developer/429660009) | [MICHAL DOMINIK GIZA](https://appshunter.io/developer/1823987250) |

## What reviewers say

### Copernicus Sentinel

[App page](https://appshunter.io/ios/app/copernicus-sentinel/id1036738151)

Explore and track Earth observation satellites in real-time. Discover satellite details, view 3D models, and receive notifications for overhead passes. Stay updated on the latest news and products from this space observation program.

**Highlights:** Real-time satellite tracking, Detailed 3D satellite models, Overhead pass notifications, Latest news and product updates, Historical data transmission visualization, Interactive 3D globe exploration

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

**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 Copernicus Sentinel free?

Copernicus Sentinel 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, Copernicus Sentinel or Satellite Tracker / Radar?

Satellite Tracker / Radar is rated higher. Copernicus Sentinel averages 4.4 out of 5 from 19 ratings, while Satellite Tracker / Radar averages 4.4 from 31 ratings.

### Do Copernicus Sentinel or Satellite Tracker / Radar have ads?

Satellite Tracker / Radar shows ads; Copernicus Sentinel does not.

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

Copernicus Sentinel ships an update every 2 months, and Satellite Tracker / Radar weekly. Most recently, Copernicus Sentinel was updated on October 24, 2026 and Satellite Tracker / Radar 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.*