ヨイチポリス, developed by 香川県警察本部, is an official app designed to provide information on crime and traffic accidents in Kagawa Prefecture, ensuring the safety and security of residents' daily lives. The app includes various features such as a map function to check crime, suspicious individuals, accidents, and traffic enforcement information. Users can also access routes to police facilities and schools from their current location.

The app offers integration with "安全・安心ヨイチメール" distributed by Kagawa Prefectural Police to keep users informed. Additionally, it features a panic alarm function that alerts the surroundings with sound and light when the screen is tapped, notifying pre-registered family members with the user's location using the panic alarm. Users can also make quick emergency calls using the 110 emergency call button.