The acquisition is aimed at expanding Hike's product range in the internet-based communication space, the company said, declining to disclose the acquisition sum.
"Zip Phone's technology will allow us to bring free voice calling to the market much faster. Incidentally, this is one of the top requested features from our users as well," Kavin Bharti Mittal, founder and chief executive officer, Hike Messenger said.
Zip Phone, a one-man startup founded by Anuj Jain in the US, has developed a voice-calling app that works globally.
Launched in December 2012, Hike has over 35 million users and has raised $86 million from Tiger Global and BSB till date.