Tools to Sync Mobile and Web Development

These tools not only help with Mobile development, but they also help with cross-browser development as well (see Developer Tools):

• Ghostlab - Synchronized browser testing for web and mobile. Test files and URLs against multiple devices by syncing clicks, scrolls, keystrokes across the devices. $49 for a license.
• Edge Inspect CC - Synchronized Browsing & Refreshing. Test files and URLs agaisnt multiple devices at once. Part of the Adobe Creative Cloud.