Wet diaper alarm system consisting of a smart phone application software and urine detecting sensors in wireless communication with the smartphone; electronic sensor attachable to diapers for urine detecting use; urine detecting sensors attachable to diaper and capable of wireless data communication with smartphones; smartphone application software for wet diaper alarm system based on wireless data communication with urine detecting sensors attachable to diapers; downloadable smartphone application software for wet diaper alarm system based on wireless data communication with urine detecting sensors attachable to diapers; computer application software for wet diaper alarm based on wireless data communication with urine detecting sensors attachable to diapers; downloadable computer application software for wet diaper alarm based on wireless data communication with urine detecting sensors attachable to diapers