Battery Life Free is a useful utility app for iPhone users who want to keep track of their battery level and usage. With this app, you can easily monitor your battery state and percentage with both text and graph displays. Additionally, it provides estimated hours and minutes remaining for various activities such as talk time, internet usage, audio playback, and video playback.

One standout feature of Battery Life Free is the "Charge Alert" function. Once your iPhone is fully charged, you will be notified with a pleasant sounding alert, ensuring that you don't overcharge your device. This feature is particularly handy for those who tend to forget to unplug their iPhone after charging.

The user interface of Battery Life Free is well-polished and visually appealing. It has a clean design that is easy to navigate, making it accessible to users of all levels of tech-savviness.

Overall, Battery Life Free is a reliable and user-friendly app for monitoring your iPhone battery percentage and usage. It provides essential information in an easy-to-read format, helping you manage your device's battery life more efficiently.