Apps Like e: Spacetime Converter for iPhone and iPad
Convert length and time relativistically.
The app converts between length and time using geometrized units where the speed of light is unity. It allows users to think about the world differently by converting units like inches to seconds or miles to years.
by Elliptics, Ltd.★ 5.01 ratingsEducationFreeData updated 2026-09-10
Compresses videos to fit within social limits. Sends full-length videos without trimming. Supports and other social apps. Maintains quality during compression. Allows direct sharing from the .
The app allows users to type mathematical expressions similar to those on a graphing calculator. It computes complicated formulas, making complex calculations accessible.
Units across categories like Length, Weight, Temperature, and Data Storage. Choose from subcategories such as meters to kilometers or Celsius to Fahrenheit. Enter values and receive precise conversions.
Track vehicle location, speed, and miles traveled in real time. Monitor route selection and detention time. Log driver activities and compliance data. Generate reports for FMCSA regulations. Set alerts for speed or location deviations.
The app tracks a dog's miles and performance. It exports runs in GPS format for use in other applications and integrates with HealthKit to record runs as workouts.
Simulates a retro scientific calculator with RPN input. Features a 10-digit LED display, four stack registers, and a storage register. Includes math, trigonometric, and logarithmic functions. Displays results in polar/rectangular formats.
Convert units across 180+ categories including angles, areas, cooking units, weight, clothing, and shoes. Convert 180+ currencies and digital currencies like Bitcoin and Doge. Enter values and get instant conversion results.
Explore through 25 interactive experiments in AR and VR. Learn about chemical reactions, sound waves, and acidity. Perform hands-on activities like erupting a volcano, lighting an LED with lemons, and making slime.
Track driving hours and compliance with real-time logs. Monitor miles driven and engine hours. Manage hours of service (HOS) and reduce paperwork. Sync with devices for accurate data entry. Generate reports and export logs for audits.
The app calculates room heatloss in Watts and BTUs per hour based on dimensions and temperatures. It also estimates radiator length or power output and converts between Watts and BTU/h.