AutoCAD on the App Store
https://apps.apple.com/us/app/autocad/id39314973429.9.2010 · iPad The official AutoCAD mobile app by Autodesk® Take the power of AutoCAD® software wherever you go! The AutoCAD mobile app is a DWG viewing and editing application, with easy-to-use drawing and drafting tools. View, markup, edit, and create DWG files on your smartphone or tablet - anytime, anywhere.