Yes! Your SubAssistant account is not tied to your app or cell phone. Your account exists at SubAssistant.com, the app is just an interface for your account. No specific type of phone is necessary to use SubAssistant and EasyAccept.  Any device capable of receiving text messages or email can be use to receive notifications from SubAssistant. The Android and iPhone apps are optional and not necessary to receive text or email notifications or use EasyAccept.