Notch.one - The only notch for your devices
CThruView Transparent Image Viewer - CThruView is a free transparent image viewer that allows mouse clicks to go through the image.
TouchDesigner - TouchDesigner is a visual development platform that equips you with the tools you need to create stunning realtime projects and rich user experiences.
LayerX - An intuitive app to display transparent images on screen.
SignalScope X - Powerful tools for acoustics and audio on iOS
Osiva - Osiva" is an acronym that stands for "Overly Simple Image Viewing