Inclusion/exclusion criteria
| Inclusion criteria | Exclusion criteria |
| Must be diagnosed with Parkinson’s disease and under treatment at Karolinska University Hospital or Academic Specialist Center Torsplan | Not able to use a smartphone independently |
| Must have mild or moderate motor and non-motor symptoms | Unable to read and understand Swedish |
| Must own a smartphone, Android or iPhone | Severe symptoms (H&Y 3 and above) |
H&Y, Hoehn and Yahr.