 Asthma and chronic obstructive pulmonary disease COPD are common lung. Despite the important progresses achieved in treatments, the majority of affected patients suffer from severe symptoms and tend to be frequently hospitalised due to exacerbation. Reasons for uncontrolled asthma and COPD are manifold, but often a poor inhalation technique and a poor following of the prescribed treatment plan is observed, which is called non-adherence. 