While the app looks clean, runs smoothly, and looks professional; there are still many improvements that need to be made. One prime example is, when I backed up all of my photos through Ravpower which was connected to a 2 TB external hard drive, it preformed flawlessly. The actual transfer. However, idk about you, but I still had plenty of photos that I wanted to delete. When I got to delete one single photo, the app crashes. When I reopen the app the photo is deleted but I would have to repeat the process of going through each photo one by one and the app crashing every single time.