Venture capital firm Sequoia Capital has led a US$15 million Series C financing round in China-based provider of app store analytics App Annie. Venture capital firms IDG Capital Partners, Greycroft Partners, e.ventures and Infinity Venture Partners also participated. The company intends to use the capital injection to expand the App Annie platform, grow sales and marketing teams in San Francisco and expand offices in Asia and Europe. App Annie previously received a Series A financing round in 2011 from IDG Capital Partners and a Series B financing round in 2012 from Greycroft Partners, e.ventures, Infinity Venture Partners, Kii Capital and IDG Capital Partners.