Comparison

Space Station Passes vs ISS Tracker

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

Head to head
About

Space Station Passes

This app predicts when the International Space Station and Tiangong will pass over your location. It offers detailed sky charts, timely notifications, and a night mode for optimal viewing. Track over 4000 satellites with real-time sky views.

Highlights
  • Satellite pass prediction
  • Interactive sky chart
  • Customizable notifications
  • Night mode
  • Real-time satellite tracking
Features
Read full description

Know when to look up—and where to look. Space Station Passes helps you spot the International Space Station, Tiangong, and other satellites from your chosen location. Plan your next observation with pass forecasts, interactive sky charts, and reminders. • Find your next visible pass: See upcoming passes, their timing, and how high each satellite will appear above the horizon. • Follow the path across the sky: Explore interactive charts with stars, constellations, the Milky Way, and the Moon. • Know the key moments: Check when a satellite rises, reaches its highest visible point, and disappears from view. • Set a reminder: Schedule an alert for the pass you want to watch. • Explore beyond the space stations: Browse thousands of satellites, including bright satellites and recent launches. Explore the live planetarium in the Sky now tab. Search passing satellites, filter by distance or illumination, follow their paths, and report the brightness you observe.

About

ISS Tracker

Features
Read full description

ISS Tracker is a beautifully designed way to follow the International Space Station (ISS) in real time. Built for space enthusiasts, sky watchers, students, and anyone curious about what is passing overhead, ISS Tracker brings live orbital tracking, visible pass predictions, live camera feeds, and real-time telemetry into a clean, futuristic experience. Follow the ISS on a live map, see where it is above Earth right now, and explore its orbit with a cyber-inspired interface designed for clarity. From glowing orbit paths to live space views and precise telemetry, ISS Tracker makes complex orbital data feel simple, visual, and easy to understand at a glance. Key Features • Live ISS Tracking See the real-time position of the International Space Station on a map and follow its orbital path around Earth. • Visible Pass Predictions Check when the ISS may be visible from your location, including pass time, duration, and viewing elevation. • Live Space Camera Feeds Watch live video streams from cameras aboard the ISS when feeds are available, including breathtaking views of Earth and sunrise from orbit. • Real-Time Telemetry View current altitude, speed, latitude, and longitude in a simple, readable format. • Futuristic Space-Focused Design ISS Tracker is designed with a clean sci-fi dashboard style, making orbital data feel focused, immersive, and easy to explore. Whether you want to catch the ISS passing overhead, watch Earth from orbit, or simply know where the station is right now, ISS Tracker makes space feel closer.

Screenshots

Space Station Passes4 screens
ISS Tracker4 screens

Verdict

The call

The clearest difference is ads: Space Station Passes at none against ISS Tracker's shown. ISS Tracker's advantage is iOS requirement (16.0 vs 26.0). On price, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 7 level
Space Station Passes versus ISS Tracker: the parameters behind the verdict, then further details
ParameterSpace Station PassesISS Tracker
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 2 days—
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS26.016.0 — better
Further details — not scored
Size220 MB14 MB
Age rating4+4+
DeveloperSihao LuBeijing Zhongmeng Intelligent Technology Co., Ltd

In-app purchases

None

Space Station Passes

No in-app purchases

None

ISS Tracker

No in-app purchases

Questions

Is Space Station Passes free?
Space Station Passes is free to download, with no in-app purchases.
Is ISS Tracker free?
ISS Tracker is free to download, with no in-app purchases.
Do Space Station Passes or ISS Tracker have ads?
ISS Tracker shows ads; Space Station Passes does not.

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