In 2026, you can use the Grab app in Japan, but its functionality is fundamentally different than in Southeast Asia. Rather than having its own fleet of private "GrabCar" drivers, Grab acts as a roaming platform that connects you with local Japanese taxi companies. Through a partnership with "S-Ride" and "JapanTaxi," international travelers can use their existing Grab app and registered payment methods to hail licensed taxis in major cities like Tokyo, Kyoto, Osaka, Sapporo, and Nagoya. While you won't find the "GrabBike" or cheap private car options seen in Thailand or Vietnam, using the app in Japan eliminates the language barrier, as you can input your destination in English and the fare is handled digitally via your GrabPay wallet or linked credit card. For a traveler, this is a much more seamless experience than attempting to hail a cab on the street, although it is important to remember that Japanese taxi fares remain among the most expensive in the world regardless of the app used.