Why do you care?
Wallets are fundamental to utilization of any cryptocurrency. They come in many forms and the more options consumers and investors have the better for usability. A stable wallet, regardless of operating system, is critical for day to day use and management of a cryptocurrency project. Stability, ease of use, multiple format(e.g. Windows, Android, Mac, iOS, web) and performance is the end goal.
Scoring: 1 to 5, 5 being the best.