RIDI Corporation Overview
Pro stress-test →RIDI Corporation, founded on March 31, 2008 and headquartered in Seoul, operates Ridibooks, a digital reading platform providing services for e-books, webtoons, and web novels. As of January 2026, Ridibooks serves over 2.77 million users and offers more than 1.62 million e-books. The company has evolved into a comprehensive IP content company under the principle of "one source, multiuse," reworking e-book and web novel IPs to create webtoons, animated content and videos.
Strategic Profile
Pro stress-test →In 2022, its corporate valuation reached 1.5 trillion won, placing it among unicorn companies. Manta, RIDI's global webtoon platform launched in 2020, has recorded 19 million cumulative downloads across 175 countries. Ridi's Manta Comics ranks second in the North American webtoon market by active users with 9.7%, following Naver Webtoon.
Competitive Landscape
Pro stress-test →RIDI competes with Naver Webtoon (70.5% North American market share by active users) and Kakao Entertainment's Tapas (8%), positioning Manta second with 9.7% market share. Unlike the comics segment dominated by portal giants Naver and Kakao, RIDI's early focus on the e-book sector with fewer rivals created competitive moats.
Industry Context
RIDI Corporation operates in Digital comics and webtoon publishing.
Key facts
Founded: 2008 · Headquarters: Seoul, South Korea · Market cap: $1.5T KRW (~$1.2B USD, 2022 valuation)