TimeTree Enters Business Alliance with SK Telecom

TimeTree Inc. is pleased to announce that it has entered into a capital and business alliance with SK Telecom, South Korea’s largest telecommunications company, which operates globally in a wide range of fields including generative AI, AI infrastructure, and AI semiconductors, and will receive an investment of 2.2 billion yen from SKT.

Through this partnership, TimeTree aims to accelerate its development of AI-based features and expansion overseas, thereby achieving further growth.

Service overview and current business situation

“TimeTree” launched in March 2015 as a calendar app that allows multiple people, including family, friends, and organizations, to share schedules, and is currently used by 31 million registered users in Japan and 67 million registered users globally. The cumulative total of schedule data registered by users on the calendar has exceeded 13 billion. In 2024, the company launched a “public calendar” feature that allows companies and organizations to publish event information in calendar format, and the app has been adopted in a wide range of fields, including entertainment and sports.

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On the business side, TimeTree Ads, an advertising platform that utilizes the schedule data registered in users’ calendars, is a key revenue driver and is driving growth. Utilizing its service infrastructure that is deeply rooted in everyday life, the company aims to further expand.

In recent years, SKT has been increasing its investments in companies in areas such as generative AI services, AI infrastructure, and AI semiconductors, while also promoting its transformation from a telecommunications company to a global AI company through the rollout of its in-house developed AI assistant, “A. (A Dot).” In this context, TimeTree, with its cumulative total of over 13 billion scheduled data items and user base of 67 million, has been recognized as a platform for creating new value through AI. In addition to financial support, SKT‘s development team for its “A.Dot” personal AI assistant will participate in タイムツリー‘s development, and the two companies plan to jointly promote the development of AI functions.

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