San Francisco -- App Annie, a developer of app store analytics and market intelligence with offices in San Francisco and Beijing, said on Tuesday it has raised $6 million in its second round of funding. Greycroft Partners led the round, which also included participation from e.ventures, Infinity Venture Partners, Kii Capital, angel investor Jarl Mohn and previous backer IDG Capital Partners. The company said it will use the new funding to accelerate its product roadmap and expansion into new app stores. "Within the next year, our customers can expect to see a whole host of new feature and platform integrations for App Annie products," said CEO Bertrand Schmitt. The company also plans to increase its presence in the U.S., China and Japan, particularly bolstering its employee base in San Francisco and Beijing.