This is a single centre, two-way cross over, prospective study to compare the outcomes and experience of patients completing a paper bladder diary and an electronic version.Participants will attend an introduction appointment within the Urology Department at Royal Hallamshire Hospital. The room will ensure privacy for the patient. The participant will complete the bladder diaries at home. The participant will complete the questionnaire at the Royal Hallamshire hospital, in private.Participants will be asked to complete the electronic diary for three days and the paper diary for three days. Half of the participants will complete the digital diary first, the other half will complete the paper diary first, and this will be done by alternating consecutively.