OrbitRadar vs ISS Satellite Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OrbitRadar
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OrbitRadar turns your iPhone and iPad into a live window on the sky. Watch 15,000+ real satellites orbit a photorealistic 3D Earth in real time — from the same orbital data mission controllers use. • LIVE 3D GLOBE — Spin a beautiful day-and-night Earth and watch the whole satellite swarm move in real time. • EVERY SATELLITE — The full active catalog: Starlink, the ISS, GPS, weather and science craft, each on its true orbit. • TAP ANYTHING — Live altitude, speed, position, orbit details, operator and country for any object. • AR SKY VIEW — Point your device at the sky and see what's passing overhead right now. • CINEMATIC MODE — Sit back and let an auto-director fly you between the coolest objects. • BEYOND EARTH — Track the James Webb Space Telescope, Voyager 1 & 2, and even the Tesla Roadster ("Starman") out by the planets. • THE SOLAR SYSTEM — Explore the planets, moons and Sun at their real positions in the sky. • PRIVATE BY DESIGN — No account, no ads, no tracking. Works offline. Whether you want to catch the Space Station overhead tonight or just watch the sky come alive, OrbitRadar makes satellite tracking effortless and beautiful.
ISS Satellite Tracker
Discover when and where to see the International Space Station and Starlink trains from your location. Get accurate predictions and reminders for visible passes, working entirely offline. Enhance your viewing experience with detailed orbital data and an educational library.
- Accurate pass predictions
- Offline functionality
- Pass reminders
- Live 2D satellite map
- Starlink train tracking
- 3D orbital globe (Pro)
- Educational library (Pro)
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The International Space Station is one of the few genuinely spectacular things you can see with your own eyes: a brilliant point of light, brighter than any star, sailing silently across the sky. Most people never realise it passes right over their own backyard. ISS Tracker has one job: get you outside at the right moment, looking up. No guesswork. Open the app and it tells you plainly: tonight at 9:47, look west, visible for six minutes, and how bright it will be. Then you step outside and watch it cross. Other apps promise a live video feed and hand you a black screen. This one does not need a feed. Every pass is worked out on your own device from real orbital data, so it works completely offline, anywhere, with nothing to buffer and nothing that can go down. No black screens. No account. Just the right time to look up. Free, forever: - Accurate pass predictions for your exact location - A reminder before each pass, so you never miss one - A live 2D map of the station circling the Earth right now - Every Starlink train currently in the sky, shown as soon as it's up Go further with Pro: - A cinematic 3D globe with the station's real orbit rendered live - Brightness for every pass ("brighter than Jupiter tonight") so you know which passes are actually worth heading outside for - Beyond the ISS: China's Tiangong station and Hubble, tracked the same way - An alert the moment a Starlink train is worth stepping outside for - Home Screen and Lock Screen widgets with a live countdown to the next pass - An education library: what you are really seeing, why it sometimes vanishes mid-pass, how a 400 km orbit and 16 sunrises a day actually work It is not a database and it is not a live stream. Every satellite here earns its place because you can actually see it with your own eyes, not because it's in a catalogue. It is the simplest, most reliable way to answer the only questions that matter: will I see it tonight, and is it worth going out for? Whether you have never spotted it before or you look up every chance you get, ISS Tracker turns "I always miss it" into "there it is." Look up. ISS Tracker's premium features are available as a one-time purchase. There is no subscription and nothing renews automatically. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://digitaldoctorltd.com/privacy.html
Screenshots
Verdict
The clearest difference is in-app purchases: OrbitRadar at none against ISS Satellite Tracker's 2. OrbitRadar also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price, update cadence 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
Both are free to download. ISS Satellite Tracker sells 2 in-app purchases, starting at $9.99 per year. OrbitRadar asks for nothing beyond the download.
OrbitRadar ships an update every 5 days, ISS Satellite Tracker every 10 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.
| Parameter | OrbitRadar | ISS Satellite Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 days — better | Every 10 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 26 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | OFL AS | Digital Doctor LTD |
In-app purchases
OrbitRadar
No in-app purchases
ISS Satellite Tracker
- Pro Annual$9.991 Year
- Pro Lifetime$16.99
Questions
Is OrbitRadar free?
Is ISS Satellite Tracker free?
Do OrbitRadar or ISS Satellite Tracker have ads?
Which is updated more often, OrbitRadar or ISS Satellite Tracker?
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