Phone Monitor is a free Android application developed by Twark Apps that provides users with basic information about their device's software and hardware. The app's initial release includes a plethora of features, including processor details such as CPU information, CPU charts per core, CPU utilisation, architecture, and ABI. Additionally, users can access information about their device's mobile model, brand, board, boot loader, screen resolution, total RAM, and internal storage.

Phone Monitor also provides software information, such as the Android version, API level, kernel architecture, and build ID. Users can monitor their device's battery level, battery technology, battery health, battery status, and battery temperature. The app also allows users to view mobile sensor information, including Bluetooth, Wi-Fi, GPS, microphone, accelerometer, barometer, compass, gyroscope, orientation, pressure, proximity, NFC, temperature, and gravity.

The app comes with a dashboard that provides a quick overview of the current state of the device. It also offers light and dark themes, with the default theme derived from the system. With its comprehensive monitoring features, Phone Monitor is a must-have for Android users who want to keep a close eye on their device's performance.