StarMap 3D vs MeteorActive

Use your iPhone's compass and gyroscope to find planets, constellations, and more with crisp, colorful, high-definition Retina graphics that use every pixel of your iPhone! Hold the universe in your pocket! • Try StarMap 3D Plus for iPad support, more stars, thousands of Deep Sky Objects, and original constellation artwork. StarMap 3D is the portable star atlas for beginners or advanced astronomers. Use StarMap 3D to find the planets, stars, constellations, star clusters, galaxies, and nebulae visible to you based on your location and time. StarMap 3D will even use the compass to automatically align the map! • Retina Display Compatibility • Over 15,000 stars, with detailed information for each of them • 303 deep sky objects, with details such as distance from Earth, diameter, apparent size and orientation, and morphology • All 88 modern constellations, with lines based on the outlines from "The Stars: A New Way to See Them" by H.A. Rey • MacRobert and Classic constellation lines also available • Location-based-services (LBS) / Global Positioning System (GPS) support, or manually enter your longitude and latitude • Adjustable date and time of day • Also adjust time instantaneously and interactively with the Time Scroll feature • Compass support, if present • Planetarium Mode for seeing only objects visible to you, or browse the entire celestial sphere • 3D Mode for visualizing the universe in three dimensions

The most accurate meteor activity forecast • Major events calendar • Upcoming nights predictions • Hour-by-hour estimates • Meteor showers reference Meteor activity varies greatly from one night to another. Most of the time you can expect to see 3-15 meteors per hour, but several times per year this number could rise to 90, or even more! The MeteorActive app uses the latest scientific findings and cutting edge technology to calculate how many meteors you can see at given time. It takes into account your geographical location, meteoroid stream orbits, moon interference and light pollution to find the most spectacular events for you. Clear skies!