Triple Therapy Convenience by the Use of One or Multiple Inhalers and Digital Support in Chronic Obstructive Pulmonary Disease

Who May Qualify: - Clinical diagnosis of COPD for at least 1 year before the screening visit - Aged 40 years and older - An indication for triple therapy according to the treating physician (following the GOLD guideline 2021(2)). Could be step-up from dual therapy or currently receiving triple therapy (both MITT and SITT). - Owner of mobile device compatible with e-device app with access to internet (Android or iOS) - Willing to provide written willing to sign a consent form - Current or ex-smoker Who Should NOT Join This Trial: - Inability to comply with study procedures or with study treatment - Insufficiently skilled in the Dutch language to be able to read and understand the app. Help by third party (family members) is allowed - Asthma as the predominant disease according to the investigator's opinion, a past history of asthma is allowed - Use of e-health application for COPD in the past six months - Patients with any other therapy that could interfere with the study drugs (according to the investigator's opinion) - Use of nebulized bronchodilators, for example via pari boy - Pregnant or lactating women and all women physiologically capable of becoming pregnant unless they have highly effective contraceptive - Patients mentally or legally incapacitated, or patients accommodated in an establishment as a result of an official or judicial order - Patients without the capability to complete the questionnaires Always talk to your doctor about whether this trial is right for you.