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 741–760 of 1,000 ranked alternatives.



IM Converter
Andrej Podlubnyj
Convert all types of measurement units.
The app offers conversions for various measurement units, including physical quantities, volume, pressure, area, weight, temperature, density, and length. It provides solutions for problems involving different numbering systems and unit conversions.

I Can Convert It
Telphasa Limited
Units, currencies, and angles
Units of angle, area, and other categories. Switch between degrees, radians, grads, and more. currencies online or offline. Add new categories based on user requests. Sync results and share conversions.

Gauge Ghost
Bronson Holland
Enter miles remaining to track fuel left
Track fuel levels by inputting the last displayed "miles remaining." Monitor actual fuel consumption during driving. Determine true empty point based on real trip data. No setup required. No technical jargon.

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.

Subnet Calc
Swipe Stack Ltd
Calculate details instantly
Calculate subnets and IP addresses using CIDR notation. Determine class, private range status, and IP details. View network ranges and reserved addresses. Switch between IPv4 and IPv6 modes.






Ruler AR Camera Measuring Tape
xita apps
Measure objects with AR
Measure objects using augmented reality and a . Calculate scale, height, area, and length. Use photo , inch , and measure tools. Export measurements and share results.







How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.