Apple’s Keynote for OSX and iOS provides a great and intuitive alternative to the staple Microsoft Powerpoint.
The OSX and iOS versions are now closer aligned so that “handoff” editing is easier between all devices with presentations being saved in the cloud.
In addition you can now control your Keynote presentation from a compatible iOS device using the Keynote Remote app available on the App Store.
Follow this link for set up details here
I have made presentations to my Clients using the Keynote Remote app and my iPad Pro and it worked seamlessly.
MacNN have this useful article on other options to consider here