Comparison

Space Station Tracker vs Z

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

Head to head
About

Space Station Tracker

Follow the International Space Station's live location on a globe and get alerts for visible flyovers at your exact location. Features a compass view to help you spot it in the sky.

Highlights
  • Real-time ISS location tracking
  • Globe view with orbital trajectory
  • Upcoming visible flyover alerts
  • GPS-based viewing calculations
  • Compass view for sky spotting
  • Azimuth and elevation details
Features
Read full description

Track the International Space Station in real time and see upcoming visible flyovers for your location. ISS Tracker helps you understand where the ISS is now, when it will pass overhead, and where to look in the sky. It is designed to be simple, useful, and privacy-first. LIVE GLOBE VIEW See the current location of the ISS and its orbital path on an interactive globe. The app displays approximately one full orbit and updates the station’s position with live telemetry, including latitude, longitude, altitude, and speed in miles or kilometers. UPCOMING VISIBLE FLYOVERS Find upcoming ISS flyovers based on your location. Viewing opportunities are calculated using your location and estimated visibility, helping you identify passes that may be visible to the naked eye. FLYOVER COMPASS VIEW Use the compass view to know where to look. Each flyover includes azimuth, compass direction, and elevation details for the start, maximum elevation, and end of the pass. PRIVACY-FIRST LOCATION USE Your location is used to show your position relative to the ISS and calculate upcoming flyovers. Location is requested only while using the app, and is never sent to third parties. The app does not use analytics, advertising, or tracking. ISS Tracker is built for skywatchers, space enthusiasts, educators, students, and anyone who wants a clear way to follow the International Space Station. Questions or feedback? Contact support@pacificaconsulting.io

About

Z

Features
Read full description

Z-AP is designed to help students prepare smarter and stay organized throughout the academic year. Access verified past questions, AI-powered study tools, and a built-in CGPA calculator — all in one simple and focused experience. Built with clarity and structure in mind, Z-AP helps you practice effectively, understand exam patterns, and track your academic progress with confidence. What You Can Do with Z-AP Practice with Past Questions Access past test and exam questions organized by course and year to improve your preparation. Use AI Study Prep Take guided practice sessions and mock tests powered by intelligent study tools designed to strengthen weak areas. Track Your CGPA Calculate and monitor your GPA and CGPA across semesters with ease. Stay Organized Keep your academic tools in one place, designed for clarity and focus. Whether preparing for continuous assessments or final exams, Z-AP supports your study journey with tools built for real academic needs.

Screenshots

Space Station Tracker4 screens
Z4 screens

Verdict

The call

The clearest difference is update cadence: Z at every 2 months against Space Station Tracker's every 20 months. Z also leads on iOS requirement (13.0 vs 17.0). On price, ads, 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.

UpkeepUpdate frequency

Space Station Tracker ships an update every 20 months, Z every 2 months. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

Scorecard2 real differences · 8 level
Space Station Tracker versus Z: the parameters behind the verdict, then further details
ParameterSpace Station TrackerZ
PriceFreeFree
Rating4.6 (5 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 20 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size4 MB31 MB
Age rating4+12+
DeveloperJaimeson BilodeauEmmanuel Sunday

In-app purchases

None

Space Station Tracker

No in-app purchases

None

Z

No in-app purchases

Questions

Is Space Station Tracker free?
Space Station Tracker is free to download, with no in-app purchases.
Is Z free?
Z is free to download, with no in-app purchases.
Do Space Station Tracker or Z have ads?
Neither Space Station Tracker nor Z shows ads.
Which is updated more often, Space Station Tracker or Z?
Space Station Tracker ships an update every 20 months, and Z every 2 months. Most recently, Space Station Tracker was updated on October 24, 2026 and Z on October 16, 2026.

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