Nihon Kotsu as the "Prince of Taxis." The company was founded as a sole proprietorship in 1928 and reorganized as a stock company in December 1945. It began as a limousine operator and expanded to taxi service in 1940. NK operates the most popular taxi hailing mobile application in Japan, Japan Taxi. Toyota invested 500 million yen in the app in 2017, followed by a second 7.5 billion investment in 2018. Tokyo Musen, a major rival of Nihon Kotsu in the Tokyo area, joined the app later that year in an effort to counterbalance foreign rivals such as Uber and Didi Chuxing.
Instant (app) user's tracked data. All the data stays only on the user's smartphone. It is meant to track habits, especially used by Quantified Self and lifelogging enthusiasts. Instant is a passive journaling app, that automatically journals the user's life with data from the smartphone and sensors. For health and fitness data it can also sync with Google Fit and Apple Health. Instant also can connect to the user's Apple Watch and Android Wear smartwatch. As of May 2016, Instant tracks the following activities: Instant won the Grand Prize of the Google Fit Developer Challenge in April 2015. It also won the