The deal is worth $46 million in cash.
But there's a further $26 million available in terms of earn-out and retention payments over the next three years, bringing the potential worth up to $72 million.
Clearly, RNTS is laser-focused on expanding its reach across mediation, exchange and ad serving.
The Inneractive deal provides it with a mobile Supply Side Platform (SSP), a Private Marketplace and an Open Ad Exchange.
RNTS says it's now one of the largest, independent mobile supply-side platforms, with more than one billion monthly active users.
Fyber has over 500 million MAUs, while Interactive claims 630 million.
RNTS' plan is to be generating over $220 million (€200 million) in annual revenues by the end of 2016.
On the edge
RNTS' plan is to be generating over €200 million by the end of 2016.
"This is another milestone for RNTS on our path to building the leading supply-side platform for the mobile app economy," said Andreas Bodczek, CEO of RNTS Media.
"By playing an active role in industry consolidation we intend to secure a lasting competitive edge,"
"We have been working with Fyber and its strong executive team for a long time and are excited to join the RNTS family," added Inneractivc CEO Ziv Elul, who now joins the RNTS board.
"We are passionate about the potential of our future together, excited about the synergies and confident in our ability to work together to offer publishers the most comprehensive tech stack in the industry."