ISS Detector app icon

Apps Like ISS Detector for iPhone and iPad

Track ISS passes and get alerts

Track International Space Station passes with real-time alerts and location guidance. Check weather conditions for optimal viewing. Receive notifications before each pass. Add satellites and amateur radio capabilities via in- purchases.

by Derk Vrijdag★ 4.6569 ratingsEducationFreeData updated 2026-09-12

ISS Detector screenshots

Ranked alternatives

Showing 161–180 of 1,000 ranked alternatives.

  1. StarMap 3D app icon

    StarMap 3D

    Edward Sanville

    Explore celestial objects with 3D views

    Use compass and gyroscope to locate planets, stars, and constellations. View high-definition Retina graphics with detailed celestial objects. Access 3D views, constellation artwork, and deep sky objects. Sync with iPad for enhanced features.

    ★ 4.81,378 ratingsEducation$1.99Data updated 2026-11-01
  2. James Webb Tracker app icon

    James Webb Tracker

    KAKHA GIORGASHVILI

    Track celestial objects and view telescope data

    Track the Space Telescope’s mission with real-time updates and news. View high-resolution images and scientific data. Explore telescope specifications and mission milestones. Receive alerts on major discoveries and events.

    ★ 4.228 ratingsUtilitiesFreeData updated 2026-09-06
  1. GravLens3 app icon

    GravLens3

    Eli Rykoff

    Simulate light bending with galaxies.

    The app simulates gravitational lensing, bending light from distant galaxies. Users can adjust lens models, distort photos from their library or camera, and view the world through a real-time lens.

    ★ 3.76 ratingsEducationFreeData updated 2026-09-11
  2. HAM Test Prep:  Technician app icon

    HAM Test Prep: Technician

    Patrick J Maloney LLC

    Prepare for amateur radio license exams.

    The app prepares users for the Technician class amateur radio license exam by providing access to the question pool and practice exams. It identifies areas needing further study and allows users to review FCC rule text.

    ★ 4.9808 ratingsEducation$1.99Data updated 2026-11-02
  3. NASA Selfies app icon

    NASA Selfies

    Jet Propulsion Laboratory

    Create in space and share them

    Create and share space by combining your photo with space images. Add a virtual spacesuit and learn about infrared astronomy. Explore Spitzer Space Telescope images and share creations on social media.

    ★ 4.555 ratingsEducationFreeData updated 2026-09-15
  4. Solar Alert: Protect your Life app icon

    Solar Alert: Protect your Life

    Genial LLC

    Monitor space weather and receive alerts

    Monitor activity and space weather events. Receive alerts for potential hazards. Track radiation levels and geomagnetic storms. Provide safety recommendations for travel and infrastructure.

    ★ 4.7899 ratingsWeatherFreeData updated 2026-09-08
  5. Comet Book app icon

    Comet Book

    Vixen Co., Ltd.

    Track positions and directions

    Track visibility with real-time direction and elevation updates. Locate comets using the moon and bright planets as guides. Set observation times and directions based on your location. Share sighting details and view movement patterns over time.

    ★ 5.03 ratingsEducationFreeData updated 2026-09-08
  6. Voyager: Grand Tour app icon

    Voyager: Grand Tour

    Rumor Games, LLC

    Explore the Solar System's depths.

    The app is a physics puzzle game where players launch a space probe into the Solar System. Players slingshot around planets and through obstacles to achieve planetary flybys across dozens of missions.

    ★ 4.7325 ratingsGamesFreeData updated 2026-10-12
  7. Ham Radio Exam - Tech app icon

    Ham Radio Exam - Tech

    Roy Watson

    Pass the Technician Amateur Radio Exam.

    The app prepares users for the Technician Class FCC Amateur Radio License exam. It offers study tools, topic quizzes, and simulated exams based on the official question pool, with performance tracking.

    ★ 4.6242 ratingsUtilitiesFreeData updated 2026-10-10

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.