Confusing and unreliable. Viewranger was a tremendous app I used for bagging Munro's and even mountain days in Poland. Easy to use and brilliant for navigation it was a vital bit of trusty kit. The successor Outdoor Active is a confusing and massive mess. Too many overlays, GPX imports hostage behind a paywell. Horrible clutter on routes. Steep learning curve for essentially what should be a simple map and GPS package. If you are a hiker, get rid of OA.