오피넷 - 싼 주유소 찾기 is a free Android app developed by 한국석유공사. It provides users with access to the sales price information of gas stations (charging stations) across the country, which is available on the Opinet website. With this app, users can easily check detailed information such as the sales price for each product, additional services, and the location of gas stations.

The app offers various services, including finding gas stations near the user's location, gas stations in a specific region, gas stations along a chosen route, and even identifying illegal gas stations. Users can also find information on auxiliary facilities and discount events at each gas station, and directly call or navigate to their selected gas station.

Additionally, the app provides tax-free oil sales prices by region, national average prices for gasoline, diesel, kerosene, and LPG, as well as trends in oil prices. Users can also report gas station prices through the app.

Please note that the app may require certain access permissions, such as location, phone, and file and media access. However, users can choose not to grant these permissions and still access most of the app's services.