Update README

README.md

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 [Iris](http://iris.claims) [![Build Status](https://circleci.com/gh/linkedin/iris.svg?style=shield)](https://circleci.com/gh/linkedin/iris) [![License](https://img.shields.io/badge/License-BSD%202--Clause-orange.svg)](https://opensource.org/licenses/BSD-2-Clause) [![Gitter chat](https://badges.gitter.im/irisoncall/Lobby.png)](https://gitter.im/irisoncall/Lobby)
 ========
 
-Iris core, API, UI and sender service. For third-party integration support, see [iris-relay](https://github.com/linkedin/iris-relay), a stateless proxy designed to sit at the edge of a production network and allow external traffic to pass through.
+Iris core, API, UI and sender service. For third-party integration support, see [iris-relay](https://github.com/linkedin/iris-relay), a stateless proxy designed to sit at the edge of a production network and allow external traffic to pass through. We also have an Iris mobile app for iOS/Android, at the [iris-mobile](https://github.com/linkedin/iris-mobile) repo.
 
 <p align="center"><img src="https://github.com/linkedin/iris/raw/master/docs/source/_static/demo.png" width="600"></p>