Chemistry Keyboard is a specialized Keyboard Extension designed for users needing to input chemical formulae efficiently. If you've ever struggled to type Hg²⁺+2 I⁻ on your iPhone due to the lack of proper superscript, subscript, or arrow glyphs, this app is the solution you've been looking for.

With Chemistry Keyboard, you can quickly generate superscripts (⁰ ¹ ² ³ ⁴ ⁵ ⁶ ⁷ ⁸ ⁹ ⁽ ⁾ ⁺ ⁻), subscripts (₀ ₁ ₂ ₃ ₄ ₅ ₆ ₇ ₈ ₉ ₍ ₎ ₊ ₋), arrows, lowercase Greek characters in landscape mode, and other chemistry-related Unicode characters. The app also showcases the keyboard's functionality by enabling text entry and providing access to Wikipedia for data lookup.

A standout feature of Chemistry Keyboard is its offline functionality, ensuring that users can access all its features without the need for network connectivity. Say goodbye to the hassle of searching for specialized characters; Chemistry Keyboard has you covered.