Apple just announced iOS 10 at WWDC. Here are some of the great new features that it will have which you can incorporate within your next app release.
Now apps can be integrated with Siri to provide services to their users. That includes, Audio/Video Calling, Messages, Payments, Photos.
Integration with the Native Messages app:
Now with iOS 10 you can create extensions that interacts with the native iOS messages apps. Your app can now send messages, media files and interactive messages.
The User Notifications Framework allows you to handle the delivery of location and remote notifications. Now you can schedule the delivery of the local notifications based on certain time or location.