Email App Startup Spike Raises $5 Million

Herzliya-based mail application startup Spike, registered as ChatFlow Ltd., has completed a $5 million funding round, the company announced Tuesday. The round was participated by website building company Wix.com Ltd., San Francisco-based venture capital firm NFX Capital and Massachusettes-based fund Koa Labs LLC.

Founded in 2013, Spike develops a mobile application that put existing e-mails into a multimedia mobile messaging, chat-like interface enhanced with voice and video calls.