This is how I get new and different looking fonts into my planner. GoodNotes has very few fonts to choose from... This means you have to get a little creativ...
My #1 Device
I love my iPad Mini 6... Pink, Wi-Fi + Cellular, 256. I purchased mine through T-Mobile but you can get a renewed/practically new one on Amazon HERE. This thing can go with you everywhere and can even fit the in the back pocket of many jeans!
You can find a list of my devices and favorite apps on the 'Resources' page.