The Skype app both for iPhone and iPad has been recently updated with the support of iOS 9 and a number of other minor improvements. These improvements include the ability to start a chat right from the Spotlight search menu and such new features as Quick Reply, Split View and Slider Over for iPad.
According to the latest report from the Financial Times reporters, Apple has recently acquired a firm called VocalIQ. This company, which is quite famous in tech circles for creating a self-learning dialogue API, is located in the United Kingdom. Looks like in the nearest future Apple plans to improve its virtual voice assistant.