PlanIt: Photo Planner is a powerful plan/marker reader, a focal length estimator, a time-lapse viewer, a DoF and panorama calculator, and a viewfinder. You can see the position of the horizon, celestial objects such as the sun, the moon, stars, and even the Milky Way, and the exposure meter.

The Planit Pro has an overlay that provides a real-time satellite-enabled view of the Earth. You can check the position of the sun, the moon, and the horizon.

You can also see the major constellations in the sky and the location of the rainbow.

You can set the latitude and longitude of any point on the Earth in minutes and seconds, even if you are not in a location. You can also simulate the position of any point on the Earth.

You can calculate the Earth's radius in meters.

You can also calculate the position of any point on the Earth in seconds.

You can also calculate the distance from any point on the Earth to any other point on the Earth.

You can also calculate the height of the sun above the horizon.

You can also calculate the time of the nautical twilight and the time of the astronomical twilight.

You can also calculate the time of the lunar or solar eclipse.