Mobile Internet Monitor is a free Android application developed by PNB-DEV that helps users monitor their mobile data usage. The app provides various monitoring periods to choose from, including daily, monthly, yearly, and custom periods, allowing users to track their data usage over a specific time frame. Users can also limit their data usage by setting a maximum data usage or a time limit for using mobile data. The app provides statistics on data usage by time and application, which can help users identify data-hungry apps.

The app's interface is user-friendly and easy to navigate. The dashboard displays the current data usage, and users can customize the app's settings to suit their needs. The app allows users to set a data usage limit, and when the limit is reached, the app sends a notification to the user. The app also provides a widget that displays real-time data usage on the home screen.

Overall, Mobile Internet Monitor is a comprehensive mobile data usage tracker that provides users with valuable insights into their data usage. The app is easy to use and provides various customization options, making it an excellent option for anyone looking to monitor their mobile data usage.