David Šimák Apps

Encode or decode your text

Simple and advanced mathematical functions

Generate strong passwords on your android device

Physical constants and formulas in your pocket

Simple unit converter for physics or chemistry

Simple app for generate random numbers

The fastest way to calculate discounts, tips, interest and otherpercentages

App for encrypt text

Chemical elements, compounds and periodic table

Easily record your voice notes, business meetings, lectures oranything else

Simple and easy-to-use application for physical and chemicalcalculations

Tools that make life easier not only for programmers