Chemistry Keyboard vs KeyMatica

The Chemistry Keyboard is a specialized Keyboard Extension for anyone who needs to enter chemical formulae. Ever need to input Hg²⁺+2 I⁻ on your phone and can't figure out how to get those nice superscript or subscript 2s. Or proper arrow glyphs? Quickly generate superscripts: ⁰ ¹ ² ³ ⁴ ⁵ ⁶ ⁷ ⁸ ⁹ ⁽ ⁾ ⁺ ⁻, subscripts: ₀ ₁ ₂ ₃ ₄ ₅ ₆ ₇ ₈ ₉ ₍ ₎ ₊ ₋, and arrows. lowercase Greek characters available in landscape mode. and other chemistry related Unicode characters. The app itself demonstrates the keyboard's use by allowing text entry and looking up data from Wikipedia. Unlike many keyboard extensions, this keyboard does not require network access. It's entirely self contained.

Tired of searching for the right math symbols? This custom keyboard brings all your essential math and science symbols to your fingertips. Whether you're solving equations, writing scientific papers, or messaging peers, this app makes entering complex math easy and intuitive. Includes: Basic math symbols Calculus & analysis Linear algebra Logic Quantum mechanics & computing Designed for physicists, mathematicians, students, and engineers. No more copy-pasting from the web—just tap and type.