Instead of requiring another app to control Keynote presentations from another device, Apple updated Keynote on iOS to act as a remote.
In order to get the remote functionality to work, there's some extra steps you'll need to take both on your iOS device, and your Mac.
Before you can control a presentation on another device (Mac or iOS), you'll need to enable remote control. To enable it on a Mac, launch Keynote and click on File > Preferences. From there, select the Remotes section and check the box to enable the feature.
On iOS, you'll … Read more