Battery Watch for Apple Watch is a utility app developed by Keisuke Karijuku for iPhone. This free app provides a convenient way to keep track of your device's battery level on your Apple Watch. With the Apple Watch support, you can easily monitor the battery status of your iPhone right from your wrist.

One of the main features of Battery Watch for Apple Watch is the ability to receive notifications on your Apple Watch when your device's battery is running low. This is especially useful when you're on the go and don't have easy access to your iPhone. The app ensures that you never miss an important notification due to a drained battery.

Overall, Battery Watch for Apple Watch is a handy utility app for iPhone users who want to keep track of their device's battery level on their Apple Watch. With its simple and intuitive interface, it provides a convenient way to stay informed about your battery status.