The battle between Chinese Q&A platforms for K-12 students Yuansouti and Zuoyebang has surfaced following the latter’s fresh funding news. Yuansouti is accusing Zuoyebang of posting pornographic spam on their app, showing how fierce the insider competition is between the two players.

Chinese online K-12 homework help company Zuoyebang announced a $150 million Series C of financing in the morning of August 14th. The funding was led by China-focused venture capital firm H Capital, followed by Tiger Global Management LLC., Sequoia Capital, Legend Capital, GGV Capital and Xianghe Capital.

In the same afternoon, Zuoyebang’s competitor Yuansouti (小猿搜题, meaning “the small apes searching problems”) held a media conference at its headquarters, accusing Zuoyebang (作业帮, meaning “homework help”) of posting pornographic information on Yuansouti’s app. The company claims that media attention of the “obscene messages” has triggered follow-up reports, and has adversely affected Yuansouti’s reputation, Chinese media Tech QQ is reporting.

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Eva Yoo

Eva Yoo is Shanghai-based tech writer. Reach her at evayoo@technode.com