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 541–560 of 1,000 ranked alternatives.


GB Gas Pipe Sizing Calculator
George A Brown
Calculate natural gas pipe sizes easily.
The app calculates natural gas pipe sizes for metric copper and stainless steel pipes. Users input appliance gas rate, meter length, and bends to check for a 1mb pressure drop.


HiSET Practice Test
Ben Wallenberg
Tests with instant feedback
Prepare for the Exam with 1,000+ questions across Math, Science, Reading, Writing, and Social Studies. Take full-length mock exams, review detailed answer explanations, and track progress on each subject.




GPS Utility
DIMENSION S.r.l.
Convert geographic coordinate systems easily.
The app converts between DMS, DM, DD, UTM, and MGRS coordinate systems. It provides real-time GPS coordinates and calculates the distance between two points.


Compound Offset Calculator
Kevin Morneault
Calculate compound pipe offset challenges.
The app calculates compound pipe offsets with 36 isometric view combinations. It generates offset angles, true cut pipe length with root gap, and dimensions for custom fittings.





ROKC
Ted Anthony Uy
Calculate, track, and stay updated
Calculate expenses with item calculators and MGE-specific tools. Access latest news and videos. Track events with calendar integration. Contact support for feedback or issues.

Fuel Calculator: MPG Converter
David Verbenyi
Convert units and calculate efficiency
Convert efficiency between MPG and L/100 KM by entering amount and distance. Calculate journey cost with price per litre or gallon. Save conversion history for future reference.

Calculator
Byte Works, Inc.
Calculates with precision and versatility
The app provides multiple calculators in one. It includes scientific, algebraic, and logic functions with conversion tools for various units and memory registers.

Tenki Weather
Tomas Sanni
Check current and forecasts
Check current , tomorrow's forecast, and 10-day predictions. View hourly updates. Switch between Fahrenheit and Celsius. Select miles or kilometers. Locate data for any global location.


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