Tele-Pulmonary Rehabilitation For Patients With Chronic Lung Diseases

Inclusion Criteria: 1. Patients meeting the Israeli Health Basket criteria for reimbursement of pulmonary rehabilitation (PR), including one of the following conditions: * COPD with an FEV1 below 50% or with severe exacerbation (hospitalization) in the previous year or two moderate exacerbations in the previous year. * Interstitial lung disease with an FVC below 80% or a DLCO below 60%. * Bronchiectasis with at least two exacerbations in the past year or at least one hospitalization, and an FEV1 below 80%. * Pulmonary arterial hypertension. 2. Willingness to initiate a PR or Tele-PR (TPR) programs. 3. Ability to perform the TPR program or traditional PR activities as assessed by a member of the study team prior to enrollment. 4. Agree to participate, with signed informed consent. Exclusion Criteria: 1. Uncontrolled comorbidity (e.g uncontrolled congestive heart failure) 2. Inability to operate the mobile application. 3. Without a mobile device or computer. 4. A hospitalization in the 2-months prior to randomization. 5. Completed PR program in the last 12 months. 6. Inability to complete 10 repetitions in the 1-minute sit-to-stand test or 5-second single-leg stance 7. Pregnancy 8. Inability to provide informed consent due to impaired decision-making capacity, as determined by the study's capacity assessment.