Chemister is a free application for SIC4341 Flexsense - NFC Potentiostat sensor development kit developed by Silicon Craft Technology PLC. (SIC). Chronoamperometry (CA) measurement mode is supported by this application (IOS version). SIC4341 chip operating can be controlled through the setting on setup page. After the electrochemical measurement is completed, result will be displayed on the app and the data can be saved to mobile storage in text file.