Plan observations and capture celestial events
Plan observing sessions by predicting celestial object visibility and weather conditions. Track star positions and calculate exposure times for astrophotography. Set location and date to get accurate sky maps and event alerts.
Showing 101–120 of 1,000 ranked alternatives.
GoSoftWorks Development Co.
Point to sky identify objects
The app identifies and locates celestial objects by pointing to the sky. It displays the sky view and information at the correct orientation when held at any angle.
Bruce Schechter
Check if a number is prime
Determine if a number is prime or list its prime factors. Input any integer between 0 and 999,999,999,999. Identify the prime ordinality of a prime number, showing its position in the sequence of primes.
Texas Instruments
Solve equations and graph functions
Solve equations and perform algebraic manipulations. Graph functions and analyze data. Enter and analyze statistical models. Calculate derivatives and integrals. Export results and share solutions.
iLanga, Inc.
Visualize celestial views through eyepieces
Helps users visualize celestial objects through telescopes or cameras. It calculates magnification, actual field of view, and exit pupil. Users can simulate views with different eyepieces and optical aids.
Mark Hambly
View today's , random, or favorites
View and share Pictures of the Day. Access current and past APODs. Browse feeds of random or favorite images. Save and share preferred APODs. Display APODs via widgets on home screen.
ION6, LLC
Celestial bodies and constellations
Point your device to view , planets, and constellations in real time. Identify celestial objects with detailed information. Track planetary movement and lunar phases. View constellations with stellar classifications and vibrant visuals.
Dana Peters
Explore in 3D view
Explore the solar system with 3D views of and the moon. Locate celestial bodies using 2D and 3D sky maps. Check visibility times for . Rotate a 3D globe to view planetary details.
Studio Nano Ship Inc
Navigate with accuracy and style
Measure altitude with accurate display. Track location without data collection or sharing. Customize background colors. Avoid obstructions for better GPS accuracy. No ads included.
Jia Ningrui
Learn spelling with interactive games
Teach children spelling with interactive games. Learn related to animals, food, life, festivals, geography, and more. Play in A-Z or Scenes mode. Includes native English, Spanish, German, and French pronunciation.
Le Huang
Reading time and set goals
Daily and weekly reading time with visualization. Set and adjust reading goals. Add, delete, or edit reading logs to monitor habit consistency.
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