This app calculates the day of the week for any date between 4500 BC and 4500 AD. It also displays moon phases and planet positions, with features available in 30 languages. Includes Julian Date, Islamic, Chinese, and Korean calendars.






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Whether you want more options like Jupiter Moon Tracker or a completely different take on the same concept, our curated list of 12+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.






This app calculates the day of the week for any date between 4500 BC and 4500 AD. It also displays moon phases and planet positions, with features available in 30 languages. Includes Julian Date, Islamic, Chinese, and Korean calendars.



Control motorized telescope mounts for celestial object tracking and exploration. Features include GOTO functionality, object catalogs, and gamepad navigation. Ideal for novice users with alt-azimuth mounts.

This app simplifies telescope, eyepiece, and camera calculations with a unified database of equipment. Easily mix and match your gear or input custom values for precise specifications.