Raisin, an online marketplace that aggregates high-yield savings accounts in Europe, aims to launch in the U.S. in the next nine to 12 months.
The company offers an operating system for financial applications akin to Apple's iOS, and more than a thousand applications run on it.
Banks want to encourage innovation by extending access to outside developers, but customer data remains vulnerable while in use by an application.
The Santa Clara, Calif.-based company operates a joint venture in China, which opened its first branch in Shanghai in 2012.
