A wireless colorimetric sensor for detecting, quantifying, or both detecting and quantifying, at least one analyte in a sample, the sensor including a light transparent chemochromic layer applied onto the photoactive surface of an image sensor, or attached thereto via an optic coupler, wherein the chemochromic layer comprises a chemochromic material that is optically altered when contacted with the analyte. A method for detecting at least one analyte with a colorimetric sensor.
