'주유9' is an app that allows you to easily check not only fuel prices at Gas/LPG stations nationwide but also additional details and information on illegal activities, all presented on maps and lists.
It enables situational searches through 6 modes, including Location, Region, Highway, Favorites, and Illegal Activity. 주유9's unique 5-color visualization feature also allows for at-a-glance comparisons.
You can find various information, including reports on illegal activities, discounts, events, and user reviews. Plus, you can easily get directions to Gas/LPG stations through navigation integration.
Start a more economical fueling life with reliable information from '주유9'.

■ Key Features
• 6 Search Modes Supported: Available in map/list view for Location, Region, - Highway, Favorites, Illegal Activity, and Illegal Activity List.
- Location: Search by radius around your current or saved locations.
- Region: Search by city/province and district/county.
- Highway: Search by specific highway route (inbound/outbound).
- Favorites: Save frequently used Gas/LPG stations and set nicknames.
- Illegal Activity: Search for illegal Gas/LPG stations and violating businesses around your current or saved locations.
- Illegal Activity List: Search recent lists of all illegal Gas/LPG stations, general sales outlets, and general agencies.
• Station Information: Provides fuel prices, price trends, event information (discounts, points, giveaways), illegal activity info, electronically reported data, quality certifications, user ratings, and reviews.
• Illegal Activity Information: Details on violations, disciplinary actions, administrative measures, and their publication periods.
• Login Integration: Favorites and user settings are automatically saved to the server.
• Notification Feature: Provides alerts for new information on illegal activities.
• Navigation Integration: Works with TMAP, KakaoMap, KakaoNavi, Naver Map, Atlan, and MAPPY.
• 5-Color Coding: 주유9's unique feature visualizing data in 5 distinct colors based on selected search criteria (e.g., when sorting by price, blue = low price, red = high price).
• Sort/Filter Function: Selectable options include distance, price, name, views, brand, fuel type, radius, etc.
• Keyword Search/Advanced Filter: Set preferences for brand-specific card discounts and additional services (e.g., self, car, store, 24-hour operation).
• Kerosene Information Included: Provides kerosene price search for home and camping use.
• Travel: Convenient for holidays and long-distance trips.

■ Disclaimer
• The app does not represent any government agency.
• The app provides information via the Korea National Oil Corporation (Opinet).
• The app makes no warranties regarding service interruption or errors; the service is provided 'as is'.

■ Notes
• To prevent personal information leakage, location data is used only within the device and is never transmitted externally.
• Prices are collected at specific times and may differ from actual sales prices. Discrepancies may occur due to incorrect input, discounted price entry, or update delays.
• Station information (Gas/LPG stations) and illegal activity data may differ from actual facts due to incorrect input or update delays.
• If there are updates when the app starts, it will download the changed information (typically a few kilobytes (KB)).
• If there are errors in station information (name, address, phone number, location, self-service status, etc.), please report them via 'Contact Developer' in the app menu for correction.

■ Processed Personal Information Items
• [Optional] Foreground Location Information: Used to retrieve fuel price information based on the current location (only when the app is in use).
• [Optional] Google Account Information (name, email address, profile picture): Used to save app settings.
※ Even if you don't agree to the optional access permissions, you can still use the service, excluding the functions that require those permissions.