This was quite a challenging project with a very serious deadline that we managed to adhere to. We joined at the very late planning stages and helped develop iOS and Android apps for phone & tablet at the same time.
At that time, Swift was an emerging technology and its first stable version had just been released by Apple. We convinced the OTM team that Swift was the right way forward and that proved to be of great benefit as it became the standard language for developing iOS applications. Eventually, we also helped them build a dedicated team.