ISS Real-Time Tracker 3D7.22.1 - App Store

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.

Version History ■ Improvements
∙ Improved tab bar buttons.
▲ Bug Fixes
∙ Fixed issue with tab bar on iOS/iPadOS 26+ not formatting correctly. 7.22.1 12/23/2025 Performance improvements and bug fixes. 7.22 12/21/2025 Improvements
∙ SkyDome orbital path colors now conform to the satellite color code convention used throughout the app.
∙ General UI improvements throughout the iOS and watchOS apps.
∙ Performance tuning throughout the iOS and watchOS apps.
∙ New startup screen. 7.21 08/13/2025 ■ Improvements
∙ Small iPadOS UI improvements.
▲ Bug Fixes
∙ Squashed a couple of minor UI bugs. 7.20.16 08/06/2025 Corrected some of the screenshots on the App Store. 7.20.15 08/05/2025 ■ Improvements
∙ Improved the performance of several sections of code.
▲ Bug Fixes
∙ Fixed a bug that caused the crew member details’ Twitter/X button not to work correctly. 7.20.14 08/01/2025 ■ Improvements
∙ 2D tracking map on iPads now show the target name in the title (e.g., “ISS Tracking”). 7.20.13 07/30/2025 ■ Improvements
∙ Performance and stability improvements in the watchOS app. 7.20.12 07/29/2025 ■ Improvements
∙ Improved subsolar point information in the watchOS app.
∙ Magnitude for passes is only shown if there is a valid value in the watchOS app.
∙ Small internal improvements. 7.20.11 07/02/2025 ▲ Bug Fixes
∙ Fixed a bug in the subsolar point calculations that returned an incorrect longitude for certain timezones and times of day. 7.20.10 05/12/2025 ■ Improvements
∙ In watchOS app, crewmember details for Tiangong now omit the Expedition number, as this does not apply. 7.20.9 04/29/2025 ■ Improvements
∙ User guide and help edits. 7.20.8 03/19/2025 ■ Improvements
∙ Minor UI improvements. 7.20.7 03/05/2025 ▲ Bug Fixes
∙ Fixed a regression resulting in screen titles not appearing in some navigation bars. 7.20.6 02/27/2025 ■ Improvements
∙ Fine-tuned flyover pass card formatting.
∙ Fixed a text spacing issue in the Sky Dome.
▲ Bug Fixes
∙ Fixed a bug where user settings were sometimes not restored upon startup. 7.20.5 02/26/2025 ● New
∙ Summary pass data is now displayed below the Sky Dome.
■ Improvements
∙ Additional flyover pass card view data presentation improvements.
∙ iPhone landscape orientation is no longer supported except in Live Earth View. This makes operation easier.
∙ iPad continues to support all orientations for all functions. 7.20.4 02/25/2025 ■ Improvements
∙ Improved the UI of the flyover pass cards in the passes table, including new buttons and layout tweaks. 7.20.3 02/22/2025 ▲ Bug Fixes
∙ Fixed an issue on iPads in which the Sky Dome in Passes was cut off at the top of its container. The solution was to change the scaling for the iPad. 7.20.2 02/17/2025 ● New in 7.20
∙ Sky Dome visualizes the satellite’s path for each pass with respect to the viewer and can be rotated.
■ Improvements in 7.20 and 7.20.1
∙ Added a stick figure at the dome’s center for better visualization.
∙ Corrected cardinal direction orientation.
∙ Smoother and more accurate orbital rendering in 3D globes.
∙ Settings are automatically saved each time you close Settings, switch apps, close the app, etc.
∙ In the iOS/iPadOS app, the date format of the pass details was changed to “Month Day, Year.”
∙ Big performance enhancements throughout.
▲ Bug Fixes in 7.20
∙ Fixed bug that could occasionally result in orbitals becoming unstable.
∙ Fixed a minor bug that would (rarely) not update the widgets. 7.20.1 02/13/2025 ● New
∙ 3D Sky Dome visualizes the satellite’s path for each pass with respect to the viewer and can be rotated.
■ Improvements
∙ Smoother and more accurate orbital rendering in 3D globes.
∙ Settings are automatically saved each time you close Settings, switch apps, close the app, etc.
∙ In the iOS/iPadOS app, the date format of the pass details was changed to “Month Day, Year.”
∙ Big performance enhancements throughout.
▲ Bug Fixes
∙ Fixed bug that could occasionally result in orbitals becoming unstable.
∙ Fixed a minor bug that would (rarely) not update the widgets. 7.20 02/13/2025 Improvements & Fixes
• Watch app UI tweaks.
• Internal improvements throughout.
• Performance enhancements throughout. 7.19.4 01/22/2025 Improvements & Fixes
• Fixed a small bug.
• Performance tweaks. 7.19.3 01/15/2025 New Feature
• The pulsing animation of the satellite position markers in the 3D globe can now be enabled and disabled in Settings. 7.19.2 01/10/2025 Improvements & Fixes
• Bug fixes
• Performance improvements
• UI tweaks 7.19.1 01/08/2025 ■ New
• Live HD Earth video is back, courtesy of NASA. 7.19 01/02/2025