Through this application it will be possible to compare prices of products in different establishments. For this it is necessary that the user in question scans / type the bar code of the product of his choice, after this step it will be necessary to inform the price of the product in the establishment where the person is and from there it will be possible to visualize the price of the scanned product in other establishments. Taking into account that for the price of the product to be displayed in other establishments it must have a price registered in the establishment to be displayed. In this way, we have that the application in question works in a collaborative way, where it is necessary the commitment of other users for the registration of prices to be made.