An apparatus that assists an survey of a crop cultivated in each of blocks obtained by dividing a field, comprising: an input unit configured to accept, for an survey executed for the crop, the input of identification information identifying at least one of the surveys, block information indicating the block where the survey has been executed, item information indicating an survey item, and measured values measured at survey positions; and a processing unit configured to cause a transition in the aggregating result to be displayed as a result of the survey, wherein the input unit further accepts the input of a user operation specifying part of the transition of a result of aggregating the input measured values; and of the measured values, the processing unit causes reliability information of the aggregating result of the part to be displayed.