I’ve tried every Kindle and the Paperwhite is the only one you need
No, you probably don't need another device. But you might need a Kindle. There are a decent number of e-readers on the market ...
Good e-Reader4d
Amazon Has a New Software Update For Kindle and Kindle Scribe
Amazon has launched two software updates this week, one for the older Kindle Scribe and another for the 2024 Kindle Basic.