Comparison

Satellite Tracker vs Blue Marble

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Satellite Tracker

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
Read full description

Satellite Tracker - Live ISS & Satellite Positions Track satellites in real-time with interactive maps and detailed information REAL-TIME SATELLITE TRACKING • Live ISS (International Space Station) tracking • Monitor active satellites across multiple categories • Real-time orbital positions on interactive maps • Detailed satellite information and specifications INTERACTIVE MAP EXPERIENCE • High-resolution satellite and terrain maps • Multiple map styles and viewing options • Your location integration for personalized tracking • Smooth zoom and pan controls COMPREHENSIVE SATELLITE DATABASE • Weather Satellites - NOAA, Meteosat, GOES series • Communication - Iridium, Inmarsat, satellite phones • Navigation - GPS, GLONASS, Galileo networks • Amateur Radio - Ham radio satellites • Scientific - Research and observation satellites • Earth Observation - Landsat, Sentinel, imaging satellites DETAILED SATELLITE INFO • Technical specifications and launch data • Orbital parameters and characteristics • Mission objectives and current status • Regular database updates PREMIUM FEATURES • Ad-free tracking experience • Access to all satellite categories • Extended satellite database • Priority customer support USER-FRIENDLY DESIGN • Clean, intuitive interface • Fast loading and smooth performance • Optimized for both iPhone and iPad • Works offline with cached data Perfect for space enthusiasts, amateur radio operators, students, and anyone curious about what's orbiting above us. Whether you're teaching kids about space or professionally tracking satellites, this app provides accurate real-time data in a beautiful, easy-to-use interface. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://privacydeisy.netlify.app/ Download now and start exploring the satellites above you!

About

Blue Marble

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
Read full description

Get (nearly) real time satellite images of Earth on your home screen! Blue Marble is the best way to view beautiful, up-to-date images of our planet from your iPhone or iPad. Add the widget to your home screen to see how the planet changes throughout the day. Blue Marble also supports Shortcuts, so you can build automations that use these images. This app was directly inspired by (but is not affiliated with) Downlink for macOS, made by Anthony Colangelo. If you want to use these images as your desktop background, check it out! ***** Blue Marble is made by a single developer in Brooklyn, NY. I hope you find these images as inspiring as I do!

Screenshots

Satellite Tracker4 screens
Blue Marble2 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard6 real differences · 4 level
Satellite Tracker versus Blue Marble: the parameters behind the verdict, then further details
ParameterSatellite TrackerBlue Marble
PriceFreeFree
Rating2.0 (3 ratings)5.0 (5 ratings) — better
Positive reviews12.5% of reviews100.0% of reviews — better
Number of ratings35 — better
Update frequencyEvery 3 months — betterEvery 6 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better16.0
Further details — not scored
Size28 MB2 MB
Age rating4+4+
DeveloperDeisy RenteriaDetinu Industries LLC

Customer experience

Satellite Tracker

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews8 reviews
Positive12.5%
Neutral25.0%
Negative62.5%

Blue Marble

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Satellite Tracker

Subscriptions2
  • Monthly Premium Subscription$2.991 Month
  • Annual Premium Subscription$14.991 Year
One-time1
  • Lifetime Premium Access$39.99
None

Blue Marble

No in-app purchases

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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