One Tap Buy, a personal finance mobile app developer formerly known as MyBanker, has raised new funding in a round that included existing backer SoftBank.

One Tap Buy, a Japan-based producer of a mobile app that lets users manage investments, has raised ¥1.5bn ($13.3m) from investors including telecommunications group SoftBank, The Bridge has reported.

The round also featured Mizhuo Capital and Mizuho Securities, both investment subsidiaries of financial services firm Mizhuo Bank, as well as venture capital firm Mobile Internet Capital.

One Tap Buy, which originally launched as MyBanker, operates an app that enables users to invest in publicly traded stocks in Japan and the…