38+ iOS apps & games curated and reviewed
The best t minus apps on iPhone average 4.5★ across 38+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
Stay informed about all space launches and events from agencies like SpaceX and NASA. Watch live streams, access real-time data, and discover historical missions. Features include push notifications, widgets, and collectible mission patches.
Track future events with a countdown or past milestones with a count-up. Set recurring events and receive timely reminders for important dates like anniversaries and birthdays. This app helps you monitor significant life events.
Easily track important dates and events with a customizable countdown timer. Set reminders, organize events with tags, and view upcoming dates on your home screen or Apple Watch. Syncs across devices and offers various counting options.
Track time towards future events or since past milestones. Set custom reminders, build positive habits with streak tracking, and visualize your progress with customizable widgets. Stay organized and focused on what matters most.
This app provides a continuous countdown for sailing races, with customizable sound signals and voice readouts. It offers two distinct modes for competitors and race committees, including features like quick postponement and a repeat option for race management.
Track all space launches globally, past and future. Get detailed information on missions, launch vehicles, and real-time weather. Add events to your calendar and watch live streams.
Visually track upcoming events with customizable countdowns. Set timers for vacations, concerts, or anniversaries using your own photos, music, and phrases. Share your progress with friends and family.
Track time until or since important life events. Set custom timers for birthdays, holidays, anniversaries, and more. Personalize with your own photos and share progress with friends.
This app allows extensive customization of your iPhone and iPad home and lock screens with powerful widgets. Access contacts, websites, apps, and perform actions with a single tap. Premium features offer dynamic icon changes, advanced organization, and unlimited widget creation.
Build and launch rockets to explore a realistic, open universe. Experience space exploration with accurate physics and a vast, explorable solar system.
Stay informed about upcoming rocket launches with a simple interface. Get details on rocket type, satellite info, and mission descriptions. Watch live streams and share launches with friends.
Experience Earth from orbit with a 24/7 live HD video stream from the International Space Station. Track the ISS's path on a dynamic map and access various NASA and ESA feeds, including spacewalk footage and interior tours.
Stay updated on all things SpaceX with this fan-made app. Track upcoming and past missions, view official patches, and get detailed information on rockets and capsules. Receive push notifications and access launch webcasts.
This AI agent bridges thought and action by autonomously planning, researching, and delivering finished products on a virtual computer. It handles complex tasks like data analysis, slide deck generation, and media creation, working asynchronously in the cloud and notifying you upon completion.
Track satellites in real-time, including the ISS and Starlink. Get predictions for upcoming passes and set alerts. Explore satellite orbits and trajectories with various viewing modes.
Identify stars, constellations, satellites, and more by simply pointing your device at the sky. This augmented reality app makes stargazing accessible to everyone, day or night. Explore celestial paths and even travel through time to view the sky on different dates.
Launch rockets to orbit and beyond to colonize Mars in this addictive physics game. Earn in-game currency to upgrade your rockets and compete for high scores. Easy to learn, but challenging to master, offering endless replayability.
Track rocket launches globally with real-time schedules, live video feeds, and detailed mission information. Get notifications, add events to your calendar, and explore space-related articles. Discover launch sites and learn about space agencies and their missions.
Plan and enhance your visit to America's spaceport. Discover attractions, shows, and dining options with interactive maps and real-time updates. Navigate the complex easily and stay informed about rocket launches.
Track important upcoming events and past anniversaries with this straightforward countdown application. It helps you visualize the time remaining until significant dates or the duration since memorable occasions.