Space Station Tracker vs Deduci
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
Deduci
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Deduci Deduci turns topics, notes, PDFs, and voice memos into playable quizzes. Study solo, race the clock, or challenge friends in multiplayer face-offs and turn-based matches. Type in any topic to generate a fresh set of questions, or upload documents and recordings to turn your class material into something interactive. For math and other technical subjects, Deduci uses a specialized question-generation approach to better handle quantitative prompts and formula-heavy material. Create private quiz sets from your own material, sharpen recall with typing labs and study tools, and keep practicing the subjects you actually care about. Share private sets with friends, browse opt-in public profiles by interest, and generate questions to ask your professor during the lecture to enhance your engagement.
Screenshots
Verdict
The clearest difference is in-app purchases: Space Station Tracker at none against Deduci's 1. Deduci's advantage is update cadence (every 3 days vs every 20 months). On price, ads, 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
Both are free to download. Deduci sells 1 in-app purchase, starting at $5.99 per month. Space Station Tracker asks for nothing beyond the download.
Space Station Tracker ships an update every 20 months, Deduci every 3 days. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.
| Parameter | Space Station Tracker | Deduci |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (5 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 20 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 13 MB |
| Age rating | 4+ | 12+ |
| Developer | Jaimeson Bilodeau | Sarah Letchford |
In-app purchases
Space Station Tracker
No in-app purchases
Deduci
- Deduci Pro$5.991 Month
Questions
Is Space Station Tracker free?
Is Deduci free?
Do Space Station Tracker or Deduci have ads?
Which is updated more often, Space Station Tracker or Deduci?
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