# Satellite Tracker vs Blue Marble

The clearest difference is review sentiment: Blue Marble at 100% against Satellite Tracker's 13%. Blue Marble also leads on rating (5.0 vs 2.0) and in-app purchases (none vs 3). Satellite Tracker's advantage is update cadence (every 3 months vs every 6 months). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Satellite Tracker sells 3 in-app purchases, starting at $2.99 per month. Blue Marble asks for nothing beyond the download.

Blue Marble holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 13% of Satellite Tracker's written reviews are positive against 100% of Blue Marble's.

Satellite Tracker ships an update every 3 months, Blue Marble every 6 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Satellite Tracker | Blue Marble |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/satellite-tracker-sky-map/id1628196485/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/blue-marble-satellite-widget/id6443507902/reviews)** |
| Number of ratings | 3 | **5** |
| Positive reviews | 12.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 28 MB | 2 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Deisy Renteria](https://appshunter.io/developer/1579364093) | [Detinu Industries LLC](https://appshunter.io/developer/1140007876) |

## What reviewers say

### Satellite Tracker

[App page](https://appshunter.io/ios/app/satellite-tracker-sky-map/id1628196485)

Track satellites and the International Space Station in real-time with interactive maps and detailed information. Explore a comprehensive database of various satellite types, from weather and communication to navigation and scientific missions. Offers an ad-free experience and expanded features with a premium subscription.

**Highlights:** Real-time satellite tracking, Interactive sky maps, Comprehensive satellite database, Detailed satellite information, Offline functionality, Ad-free premium experience

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $2.99 | per month |
| Annual Premium Subscription | $14.99 | per year |
| Lifetime Premium Access | $39.99 | one-time |


### Blue Marble

[App page](https://appshunter.io/ios/app/blue-marble-satellite-widget/id6443507902)

View near real-time satellite images of Earth directly on your home screen. This widget displays beautiful, up-to-date visuals of our planet, allowing you to observe daily changes. It also integrates with Shortcuts for custom automations.

**Highlights:** Near real-time satellite imagery, Home screen widget, Observe daily planet changes, Supports Shortcuts integration, Inspiration from macOS app

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Satellite Tracker free?

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

### Is Blue Marble free?

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

### Which has better reviews, Satellite Tracker or Blue Marble?

Blue Marble is rated higher. Satellite Tracker averages 2.0 out of 5 from 3 ratings, while Blue Marble averages 5.0 from 5 ratings.

### Do Satellite Tracker or Blue Marble have ads?

Satellite Tracker shows ads; Blue Marble does not.

### Which is updated more often, Satellite Tracker or Blue Marble?

Satellite Tracker ships an update every 3 months, and Blue Marble every 6 months. Most recently, Satellite Tracker was updated on November 3, 2026 and Blue Marble on November 3, 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.*