Android and iOS Applications
You can also use some of the features of a RT1900ac router through your smart phone. Synology thus far offers three interesting applications for both popular operating systems (for mobile phones), Android and iOS.
DS router
Price: Free
Platforms: iOS, Android
Developer: Synology
According to Synology, DS router is designed to act as your Personal Network Control Center on your smart device. From the initial setup of your Synology Router and on to the application of parental-control settings to protect your children from inappropriate websites, or even fine-tuning your network's firewall settings, DS router makes network management easy, intuitive, and mobile.
DS download
Price: Free
Platforms: iOS, Android
Developer: Synology
Use DS download to access your router's Download Station. You can view your download task list, any information on individual tasks, and pause, resume, or delete tasks. You can also create download tasks by using the built-in Safari browser or simply inputting the URL. DS download also allows you to manage Download Station's key settings—maximum upload and/or download speeds can be set for different types of downloads, and predefined Download Station schedules can be activated and deactivated.
DS file
Price: Free
Platforms: iOS, Android
Developer: Synology
Use DS file to manage files stored on your router. Upload or download files on either the router or an iOS/Android device, or complete basic editing tasks with HTTPS support. While file management is its prerogative, DS file is also a useful tool for browsing through pictures, watching videos, or checking on work-related documents while on the go.