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.
e: Spacetime Converter screenshots
Ranked alternatives
Showing 521–540 of 1,000 ranked alternatives.
Expeditions: Arnold Arboretum
Harvard University
Explore plants, learn botany, discover history
Explore the 281 acres with interactive maps and plant guides. View photos, text, and audio about 60 featured species and sites. Learn about botany, horticulture, conservation, and history. Discover plant collecting and their significance.
LazyCalc – Smart Calculator
Daniel Lozovsky
Calculate, convert, and solve with precision
Perform complex calculations with a scientific featuring parentheses and functions. Convert units across categories like length, weight, and temperature. Calculate percentages, fractions, and exponents. View editable history and switch between modes.
Dev Calc Pro (Hex Dec Oct Bin)
DAI WEIJIE
Convert between number bases easily.
The app displays binary, octal, decimal, and hexadecimal numbers on one screen. It also shows color hex codes and RGB values simultaneously.
Varroc Connect
VARROC CONNECT PRIVATE LIMITED
Track trips, monitor health, earn miles
Monitor vehicle health with real-time diagnostics. Receive safety alerts during trips. Track driving routes and fuel efficiency. Earn rewards by driving. via USB without additional setup.
Paces: Running pace calculator
Austin Louden
Calculate race and finish time
Calculate times based on entered . Adjust by +/- 1 minute using bottom buttons. Change race distance by tapping the top bar. Input desired and distance to estimate total time.
Unit Converter Engineering Pro
Kaiguri Tech Limited
Convert units across , physics, and math
Convert units across 35 categories including acceleration, angle, area, specific heat, electric charge, and heat transfer. Input values and select units for instant conversion. Save frequently used conversions for quick access.
Length
Piet Jonas
Measure distances in inches and cm.
The app converts values between inches and centimeters. It allows users to measure small distances on their device.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.