A method of evaluating the suitability of a mobile device (112) for performing an analytical measurement based on a color formation reaction, a method of calibrating a mobile device (112) for performing an analytical measurement based on a color formation reaction and a method of performing an analytical measurement based on a color formation reaction in an optical test strip (120) by using a mobile device (112) are disclosed. Further disclosed are a suitability computer program, a calibration computer program and a measurement computer program as well as a mobile device (112) and a kit(110). The method of evaluating the suitability of a mobile device (112) for performing an analytical measurement based on a color formation reaction comprises:a) evaluating the capability of the mobile device (112) to have one or more relevant settings of the mobile device (112) controlled by a user's software running on the mobile device (112), the relevant settings pertaining to image raw data processing steps to be carried out by the mobile device (112), wherein the relevant settings include at least one of a color space transformation (132)and a tone mapping transformation (136)；b) if the evaluation in step a) indicates that the mobile device (112) is capable of having the one or more relevant settings controlled by the user's software, providing at least one item of control information, the at least one item of control information indicating that the mobile device (112) is suitable for performing the analytical measurement； andc) if the evaluation in step a) indicates that the mobile device (112) is not capable of having the one or more relevant settings controlled by the user's software, providing at least one item of control information, the at least one item of control information indicating that the mobile device (112) is unsuitable for performing the analytical measurement.
