Inclusion Criteria:  On waiting list for Urogynaecologist at participating hospital Referred for Overactive bladder from GP Symptoms of Overactive bladder to include at least one of the following: urgency of urination, frequency of urination or urge incontinence. Female 18 years or older Own a smartphone  Exclusion Criteria:  Active/Recurrent urinary tract infection Urinary retention Bladder Pain Syndrome/ interstitial cystitis Pelvic/gynae cancer Pregnant Dementia Kidney problems Stroke Have/had a neuro-stimulation implant for treatment of OAB