Yes the new PP winder app allows you to monitor the battery level via the app and multiple winders at the same time too. Its also got 4 AA batteries, so it should last longer and has a useful function wherein only if you put it horizontal does the winder activate. In vertical position it is on standby mode.
Having said that your older PP winder is a beautiful and practical display case and is perfect for a regularly used watch which accepts 840 rpm windings