Inclusion Criteria:  Have a history of coronary artery disease with or without intervention (PCI/CABG/conservative) Be clinically stable without inducible ischemia or high risk ventricular arrhythmia, confirmed by the last available maximal ergospirometry test Recently having started cardiac rehabilitation in Jessa Hospital Hasselt Age ≥18 years Willing and physically able to follow a technology-supported shared decision making program and other study procedures in a three months follow-up period Show evidence of a personally signed and dated informed consent, indicating that the subject (or a legally-recognized representative) has been informed of all pertinent aspects of the study Possession of and/or able to use an Android based smartphone Possession of internet connectivity Dutch speaking and understanding  Exclusion Criteria:  • Orthopedic, neurologic or any other pathologic condition which makes the patient physically unable to follow a technology-supported shared decision making program  Planned interventional procedure or surgery in the next three months Pregnant females Present cardiovascular complaints Participation in other cardiac rehabilitation program trials, focusing on exercise outcome Current or recent participation in other technology-supported programs, even when not directly targeting exercise capacity Any condition which in the opinion of the investigator would make it unsafe or unsuitable for the patient to participate in this study or a life expectancy of less than three months based on investigators judgement