Apps Like ArcWithColor for iPhone and iPad
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Ranked alternatives
Showing 381–400 of 1,000 ranked alternatives.




ISO 3166
Edwin Hou
Look up country codes and sort
Provides country codes with 2-letter (alpha-2), 3-letter (alpha-3), and 3-digit numeric formats. Allows sorting by country name, alpha-2, alpha-3, or numeric. Optionally displays country names in French.



The Nernst/Goldman Equation Simulator
University of Arizona
Adjust ion concentrations and visualize potentials
Calculate and visualize Nernst and Goldman potentials based on user-defined ion concentrations and permeability. Adjust extracellular and intracellular concentrations of potassium, sodium, and chloride ions.





Pebble Coding
敏 李
Learn to code with interactive challenges
Teach programming through 46 levels with robot challenges, math games, and algorithm exercises. Encourage creativity with free drawing and . Track progress and complete interactive tasks to build foundational skills.

CalcScript
Ali Mirala
Solve equations and manage variables
Allows users to perform advanced mathematical calculations with variables, complex numbers, and matrices. Enter expressions using natural syntax for ranges, scientific notation, and matrix operations.



Physics Calculators Converters
V PUGAZHENTHI
Calculate and convert values
Calculate physical quantities using formulas for force, kinetic friction, static friction, centripetal force, and more. Convert units for gravitational acceleration, angular acceleration, density, and water density.

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