Set cosmological parameters like H_0, Ω_m, and Ω_Λ. Calculate various astronomical distances and scales based on redshift and selected cosmology. Display results in multiple units and export data for further analysis.
by Eli Rykoff★ 5.04 ratingsEducationFreeData updated 2026-09-08
The app provides an interactive guide to the night sky, following device movements in real-time. Users can explore celestial bodies and access extensive information about them.
Calculate metal weights with support for multiple metals, shapes, and units in both metric and imperial systems. Perform offline calculations without background processes. Save settings and favorite calculations.
Plan and observe celestial events with real-time data on planets, stars, and constellations. Check weather conditions and visibility scores. Set location for accurate sky tracking. Capture and share starry night photos.
Distances and angles using augmented reality and on-screen rulers. Tap to mark points and calculate lengths. Export measurements as text or image. Sync with other devices for collaborative projects.
Allows users to perform calculations for and engineering parameters. It includes formulas and definitions for each calculation. Users can compute force, friction, centripetal force, work, power, displacement, and more.
Calculates distances between map points and areas of non-overlapping polygons. Users can switch between metric and imperial units. Coordinates are displayed in decimal or degrees, minutes, and seconds.
Convert distances between kilometres, metres, miles, yards, feet, and inches. Switch units instantly. Input values manually or via copy-paste. Display results in selected unit.
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Track celestial events and prayers
Calculate prayer times based on Islamic Sharia-compliant criteria. Display Qibla direction using augmented reality. Show prayer times for over 50,000 cities across 190 countries. Include features for people of determination.
Explore the night sky with a detailed star map, identify celestial objects, and view planetary details. Control telescopes via connected devices. Access interactive astronomy guides and historical sky data.
Perform length calculations, determine fittings angles, and estimate material requirements. Access schedules, standards, and industry-specific data. Convert units and calculate pressure drops. Save and export calculation results.
Convert units quickly with over 700 options across 30 categories. Customize conversion settings and layouts. Add notes and formulas for calculations. Export results in various formats. Share converted values directly.
Scan surroundings using the device camera to create real-time 3D floorplans. Add measuring points to calculate distances, lengths, surfaces, and areas. Export plans with measurements in PDF format.
Solve problems by snapping photos or uploading images. Get detailed, accurate solutions for chemistry, physics, biology, and astronomy. Access explanations, step-by-step guides, and interactive diagrams to enhance understanding.
Read and share articles about , exploration, exoplanets, and astrobiology. Follow updates from NASA, ESA, and other agencies. View high-resolution images from observatories. Save and organize favorite stories. Subscribe to alerts for new content.
Calculate physical quantities using formulas for force, kinetic friction, static friction, centripetal force, and more. Convert units for gravitational acceleration, angular acceleration, density, and water density.
Distances between two or more points on a map. Place markers to calculate straight-line distance. Sum total distance for multiple locations. View distance in kilometers or miles.