Carlife Square is a free lifestyle application developed by コスモ石油マーケティング株式会社 for Android devices. This app allows users to save on gasoline at Cosmo Station simply by installing it. With Carlife Square, users can complete the entire process from estimation to payment for car inspections. The app makes it easy to estimate vehicle inspection fees by simply scanning the vehicle verification and entering the mileage. Additionally, users can maintain and replace 36 different parts, including batteries, engine oil, and brake fluid, at no additional cost. The app also supports a fun car life by providing users with special discount coupons for fuel, car care products, and more. Carlife Square also helps users find the best time to refuel by predicting fluctuations in fuel prices. Furthermore, the app allows users to explore recommended new cars through Cosmo My Car Lease and provides information on the fuel oil prices at Cosmo Station. With Carlife Square, users can conveniently pay for gasoline, light oil, and kerosene using the app payment feature. Please note that this app requires an internet connection to function properly.