With Limited currency pairs and iOS app-only transfers from UK and Europe, Atlantic Money will be the cheapest option, by using a flat £three/€three cost (for any sum as many as a £one million). Not one of the other available choices I tested could beat the overall amount converted for https://www.saludcapital.gov.co/sitios/VigilanciaSaludPublica/Lists/Contactenos/DispForm.aspx?ID=2972663