Comparison

Cosmotrak vs Satellite Tracker°

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

Head to head
About

Cosmotrak

Track satellites in real-time and receive alerts for visible passes. Get accurate weather data to optimize your viewing experience. Offers both free and premium features for space enthusiasts.

Highlights
  • Real-time satellite tracking
  • Customizable pass alerts
  • Integrated weather data
  • Advanced satellite filters
  • Intuitive list view of passes
Features
Read full description

Know when to look up. Track the ISS and other satellites, plan visible passes from your location, and explore the solar system in 3D. Cosmotrak brings satellite tracking, pass reminders, an AR finder, and space exploration together on your iPhone. Follow what interests you, find your next viewing opportunity, and keep the sky close throughout your day. PLAN YOUR NEXT PASS - See when a satellite rises, reaches its highest point, and sets. - Check direction, elevation, range, and predicted visibility before heading outside. - Find ranked viewing opportunities in Tonight and check local weather. - Set a pass reminder or add a pass to Calendar. - Use your current location or choose an observing location manually. FOLLOW SATELLITES AROUND EARTH - Watch the ISS and thousands of cataloged satellites move around a detailed 3D globe. - Search by name or NORAD ID, browse categories, and build your tracking list. - Follow satellite ground tracks on a 2D map. - Pause, rewind, or fast-forward with Time Machine to explore predicted paths. FIND YOUR TARGET IN AR Select a satellite and use the AR Satellite Finder to see where to point your iPhone. Direction and elevation guidance help you locate your target, with clear status when it is below the horizon. AR requires a compatible iPhone running iOS 18 or later. EXPLORE BEYOND EARTH Travel through an interactive solar system with detailed planets, moons, and spacecraft. Explore Saturn's rings, learn about celestial bodies, and move through time to see their positions change. Browse rocket launch schedules, save upcoming missions, and read spaceflight news. KEEP YOUR NEXT PASS CLOSE See upcoming passes in widgets and Live Activities. Keep an observation journal with notes, photos, tags, and saved observing sites, then export a backup of your journal. EXPLORE THE MATH Cosmotrak publishes its numerical validation results. The 1.6 mathematical validation suite passed 44,617 checks covering satellite propagation, coordinate calculations, pass prediction, and planetary positions. Explore reference comparisons and published results in the app's Validation screen or at https://cosmotrak.com/validation. START FREE. GO FURTHER WITH PRO. Track up to three individual satellites or one category, set one pass alert, and keep up to 20 journal entries for free. Cosmotrak Pro adds unlimited satellite tracking and pass alerts, automatic alert rules, the full Tonight list, extended Time Machine controls, advanced weather tools, and unlimited new journal entries. Download Cosmotrak and plan your next look at the sky. An internet connection is needed to download and refresh orbital data. Predictions use the available data; keep it updated for the best results. Camera access is requested when you open the AR finder. Payment is charged to your Apple Account when a purchase is confirmed. Subscriptions renew automatically unless canceled at least 24 hours before the current period ends. Manage or cancel subscriptions in your App Store account settings. Prices and subscription periods are shown before purchase. Privacy Policy: https://cosmotrak.com/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Satellite Tracker°

Track over 14,000 satellites in real-time on a 3D globe. Predict visible passes over your location, view live flyovers, and explore detailed satellite data. Monitor space debris and reentry events.

Highlights
  • Real-time 3D satellite tracking
  • Visible pass predictions
  • Live overhead satellite view
  • Ground track map with visibility
  • Detailed satellite database
  • Collision and reentry alerts
Features
Read full description

Never miss a satellite pass - I'm looking at you, stargazers! Track 14,000+ satellites in real time on an interactive 3D globe, predict visible passes over your location, and explore the cosmos like never before. KEY FEATURES: REAL-TIME 3D GLOBE -Track 14,000+ satellites orbiting Earth in real time -Interactive 3D globe with day/night shading -Tap any satellite for orbit path and details -Filter by type: Starlink, stations, debris, and more PASS PREDICTIONS -Know exactly when satellites fly over your location -Visible pass times with brightness estimates -Elevation, direction, and duration data -Plan your next sighting with confidence VISIBLE RIGHT NOW -See which satellites are overhead in real time -Live countdowns to upcoming passes -Elevation and trajectory data -Never miss a flyover again GROUND TRACK MAP -Projected satellite paths across the globe -Visibility cone overlay -Real-time position tracking SATELLITE DATABASE -Detailed orbit data: altitude, speed, inclination -Operator and mission history -Orbit type classification -Launch date and status COLLISION ALERTS -Track dangerous close approaches in space -3D visualization of conjunction events -Risk ratings and miss distance data -Monitor debris threats in real time REENTRY TRACKING -Monitor satellites falling back to Earth -Predicted reentry times and locations -Countdown timers to atmospheric entry CUSTOMIZATION & FEATURES Full dark mode interface Detailed satellite info cards Filter and search tools In-app support and sharing DATA SOURCES: Space-Track.org (US Space Command) CelesTrak TLE (Two-Line Element) orbital data GO PRO ($14.99/year, or $49.99 lifetime) PRO FEATURES Visible Right Now: live overhead satellite tracking with countdowns Custom Watchlist: build your personal satellite collection Pass Notifications: push alerts before your favorite satellites pass over Collision Alerts: 3D close-approach visualizations with risk ratings Reentry Tracking: monitor satellites falling to Earth with predictions PERFECT FOR: Stargazers, amateur astronomers, space enthusiasts, satellite engineers, astrophotographers, and anyone who looks up. NOTE: Pass visibility depends on weather conditions and observer location. Best viewing occurs during twilight hours when satellites are sunlit against a dark sky. Clear skies. Stay curious. Terms of Use: https://www.satellitetrackerlive.com/terms Privacy Policy: https://www.satellitetrackerlive.com/privacy

Screenshots

Cosmotrak4 screens
Satellite Tracker°4 screens

Verdict

The call

The clearest difference is rating: Cosmotrak at 5.0 against Satellite Tracker°'s 4.4. Satellite Tracker°'s advantage is update cadence (every 2 days vs weekly) and iOS requirement (15.1 vs 17.0). On price, review sentiment, ratings volume and ads 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. Cosmotrak sells 2 in-app purchases, starting at $4.99 per month and Satellite Tracker° sells 2 in-app purchases, starting at $14.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Cosmotrak holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 10 and 14 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Cosmotrak ships an update weekly, Satellite Tracker° every 2 days. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

Scorecard3 real differences · 7 level
Cosmotrak versus Satellite Tracker°: the parameters behind the verdict, then further details
ParameterCosmotrakSatellite Tracker°
PriceFreeFree
Rating5.0 (10 ratings) — better4.4 (14 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings1014 — better
Update frequencyWeeklyEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, MaciPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size205 MB47 MB
Age rating4+4+
DeveloperJacob NeelRidge Labs LLC

Customer experience

Cosmotrak

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Satellite Tracker°

All ratings13 ratings
Positive92.3%
Neutral0.0%
Negative7.7%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Cosmotrak

Subscriptions2
  • Cosmotrak Pro$4.991 Month
  • Cosmotrak Pro - Yearly$49.991 Year
2 purchases

Satellite Tracker°

Subscriptions1
  • Satellite Tracker Pro Annual3 Days trial$14.991 Year
One-time1
  • Satellite Tracker Pro Lifetime$49.99

Questions

Is Cosmotrak free?
Cosmotrak is free to download, with in-app purchases available.
Is Satellite Tracker° free?
Satellite Tracker° is free to download, with in-app purchases available.
Which has better reviews, Cosmotrak or Satellite Tracker°?
Cosmotrak is rated higher. Cosmotrak averages 5.0 out of 5 from 10 ratings, while Satellite Tracker° averages 4.4 from 14 ratings.
Do Cosmotrak or Satellite Tracker° have ads?
Neither Cosmotrak nor Satellite Tracker° shows ads.
Which is updated more often, Cosmotrak or Satellite Tracker°?
Cosmotrak ships an update weekly, and Satellite Tracker° every 2 days. Most recently, Cosmotrak was updated on October 30, 2026 and Satellite Tracker° on November 9, 2026.

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