Inclusion Criteria:  Diagnosed with CKD for more than 3 months Objective measures of kidney disease (fulfill one of the following): 1) eGFR≤60ml/min/1.73m^2; 2) Proteinuria (Protein + on dipstick or 24 hour urine protein>0.3g or albumin-to-creatinine ratio (ACR) >30mg/mmol or protein-to-creatinine ratio (PCR) >50mg/mmol); 3) Imaging proven kidney disease (Atrophy, stone formation, cystic kidney disease, or other structural abnormality) Having access to a mobile phone and is capable of using the dietary intervention application  Exclusion Criteria:  Can not provide history of kidney disease or can not provide laboratory result for the past 3 month Can not use a mobile phone or deemed unfit to participate by their treating nephrologist