Probe Schedule® has users in the following locations (alphabetic order):

Australia, Belgium, Chille, France, Ghana,  Italy, Jordan, Kenya, Kuwait, Mauritius, Mozambique, Namibia, Netherlands,  New Zealand, Portugal,  Russian Federation, South Africa, Spain, Tanzania, United Kingdom, USA, Zimbabwe.  It is available in English, Afrikaans and French, with a translation in Spanish and Portuguese coming soon.