Buy Apple accessories compatible with your iPhone and make the most of your artistic skills, including the Wacom Bamboo Spark Smart Pen and Folio.
https://www.apple.com/shop/iphone/accessories/creative-tools
iPad mini has Apple Intelligence, 8.3-inch Liquid Retina display, A17 Pro chip, supports Apple Pencil Pro and Apple Pencil (USB-C), in four colors.