ISS Real vs Orbitrack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ISS Real
Visualize the International Space Station, Tiangong, and Hubble in real-time 3D. Get precise flyover predictions up to 30 days in advance with a star rating system. Stream live HD video from the ISS and learn about the current crew.
- Real-time 3D satellite tracking
- Predictive flyover alerts
- Interactive Earth globe
- Live HD Earth video stream
- Crew information and bios
- Apple Watch widgets
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Track and predict flyovers of the International Space Station, Tiangong (Chinese Space Station), and Hubble Space Telescope in stunning, real-time 3D. Immerse yourself in a photorealistic globe of Earth, showcasing orbital paths and live positions for the three largest objects in low Earth orbit—optimized for iPhone, Apple Watch, and Macs with Apple silicon. Plan up to 30 days ahead with precise, location-based pass predictions, complete with a custom 0–4 star rating system that highlights the most visible flyovers. Tap to add passes to your calendar and never miss a moment. Key Features: • Real-Time Tracking: Follow the ISS, Tiangong, and Hubble with interactive 3D visuals and high-frame-rate animations. • Flyover Ratings: Instantly spot the best viewing opportunities with our intuitive star rating system. • 3D SkyDome View: See the arc of each pass from your location with a rotatable sky overlay. • Dynamic Earth Globe: View live positions, orbits, the Earth’s axis, solar reflections, subsolar point, and day/night transitions. • Crew Info: Meet the current crew, read bios, view mission stats, and connect via X (Twitter). • Alerts & Scheduling: Get automatic reminders 1 hour and 15 minutes before passes—just tap to schedule. • Live HD Earth Video: Stream from the ISS’s Harmony node in real time. • Map Customization: Choose from multiple map marker styles and zoom options. • Ambient Music: Enhance your stargazing experience with optional background music. • Info Overlay: View current satellite position, altitude, and speed at a glance. • Companion Apple Watch App: Includes Lock Screen and Home Screen widgets for quick access. • All Settings Saved: Preferences like zoom level and map style are saved for your convenience. I created this app to bring the awe of space exploration right to your fingertips. Join me on this journey—and never miss a pass again.
Orbitrack
Explore thousands of satellites in orbit with this augmented and virtual reality spaceflight simulator. Visualize spacecraft, track their paths, and learn about their missions with detailed 3D models and real-time data. Experience space from a new perspective.
- Augmented and Virtual Reality modes
- Track over 5000 spacecraft
- Detailed 3D satellite models
- Voice-controlled VR
- Radio frequency data for amateur satellites
- Real-time satellite data updates
- Time Flow controls
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Orbitrack is a brand-new, Augmented-and-Virtual-Reality satellite tracker and spaceflight simulator! It's your pocket guide to the thousands of spacecraft in orbit around our home planet. 1) More than 16,000 spacecraft, including all active satellites, classified military satellites, the International Space Station, and SpaceX's Starlink communication satellites. 2) Rich new graphics, rewritten using Apple's Metal graphics API, show atmospheric effects, city lights on Earth’s night side, and highly-detailed 3D satellite models. 3) Voice-controlled Virtual Reality mode that works with any smartphone VR viewer. iPhone only. 4) A true "augmented reality" mode that helps you find satellites in the sky by blending the sky chart with video from your phone's camera. Works with Orbit and Satellite views too! 5) Radio frequency data for amateur radio satellites. 6) Updated descriptions for hundreds of spacecraft. Every satellite now has a description from n2yo.com. 7) Supports the latest Apple hardware and software: iPhone 18, iPad Pro, and iOS 27. Check the Mac App Store for our MacOS version! 8) Requires at least iPhone 8 or iPad (5th generation or later) with 64-bit processor and iOS 16.6 or later. 9) New sound effects and ambient background music. 10) New Time Flow controls let you easily set the date and time, and animate the view. If you're new to Orbitrack, here's what it can do: • Track thousands of satellites. Orbitrack will tell you when spacecraft pass overhead, show you where to find them in the sky, and let you track them across the planet. • Teach you about the International Space Station, Starlink, and hundreds of other satellites in orbit, with comprehensive mission descriptions. • Show the view from any satellite, and see the Earth from orbit just as the “bird” sees it! Orbitrack includes detailed 3D models for dozens of satellites – see them up close from any angle! • Stay on top of the space race. Orbitrack updates its satellite data from n2yo.com and celestrak.com every hour. When new spacecraft are launched, maneuver into new orbits, or fall back into the atmosphere, Orbitrack shows you what’s happening up there, right now. Orbitrack isn’t just powerful – it’s incredibly easy to use! You don’t need an aerospace degree to become an expert satellite tracker. Orbitrack puts advanced capabilities at your fingertips, with the same intuitive touch interface you use every day. The new VR mode is an out-of-this-world experience. Become an astronaut without ever leaving Planet Earth! And if that’s not enough, Orbitrack includes detailed, built-in Help – and expert, responsive technical support.
Screenshots
Verdict
The clearest difference is update cadence: ISS Real at every 4 days against Orbitrack's every 3 weeks. ISS Real also leads on price ($2.99 vs $4.99). Orbitrack's advantage is review sentiment (76% vs 63%) and chart position (#42 vs unranked). On rating, ratings volume, ads and in-app purchases 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
ISS Real costs $2.99 and Orbitrack $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.8 for ISS Real against 4.7 for Orbitrack. Both are backed by a comparable volume of ratings — 1.2K and 964 respectively. Written reviews are what separate them: 63% of ISS Real's written reviews are positive against 76% of Orbitrack's.
ISS Real ships an update every 4 days, Orbitrack every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | ISS Real | Orbitrack |
|---|---|---|
| Price | $2.99 — better | $4.99 |
| Rating | 4.8 (1.2K ratings) — better | 4.7 (964 ratings) |
| Positive reviews | 62.5% of reviews | 75.9% of reviews — better |
| Number of ratings | 1.2K — better | 964 |
| Update frequency | Every 4 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | — | #42 — better |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Mac |
| Requires iOS | 18.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 258 MB | 137 MB |
| Age rating | 4+ | 4+ |
| Developer | Michael Stebel | Southern Stars Group, LLC |
Customer experience
ISS Real
Orbitrack
Bugs and requests
ISS Real
Not enough reviews yet to summarise bugs or requests.
Orbitrack
Reported bugs
4 issues- Motion tracking issues
- Stuck on old date
- Accelerometer not working
- Satellite positions not accurate
Requested features
5 requests- Sort by magnitude feature
- Favorite satellites option
- Customizable field of view
- Notifications for visible passes
- Metric/imperial toggle
In-app purchases
ISS Real
No in-app purchases
Orbitrack
No in-app purchases





