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 761–780 of 1,000 ranked alternatives.
Geo Measure: Area & Distance
ObjectGraph LLC
Measure areas and distances on the map
Measure distances and areas on maps by tapping points. Switch between metric and imperial units. View precise measurements for property, routes, or land.
Univerter: Unit Converter Pro
Petrichka Yaroslav
Convert units instantly and accurately
Convert units across categories like length, weight, temperature, and currency. Perform calculations offline. Input values and select units for instant conversion. View results in multiple formats.
Concrete Calc Pro
Volodymyr Budnichenko
Calculate needs accurately
Calculate materials for slabs with precise volume and quantity estimates. Input dimensions and select units. Convert measurements and view results in cubic meters, yards, or feet. Export data for project planning.
Talking Heads: 3D History
Matthew Hoerl
Learn from greatest thinkers
Learn from historical figures like Aristotle, Einstein, and Curie through immersive conversations. Engage in debates, ask questions, and explore their ideas.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.