Switching back to Android (GrapheneOS), anything cool I've been missing out on?

Long story short: I don’t like iOS but have been using an iPhone for a couple years due to lack of personally viable hardware options on the Android side of things. I’ve gotten tired of waiting and found a good deal on an open box Pixel 8 Pro which arrives in a few days, I’ll be installing GrapheneOS on it.

I’ve used GrapheneOS before on a Pixel 3a. I’m familiar with some must-haves like F-Droid+Aurora Store and AntennaPod, but are there any other apps I should check out once the phone gets here that I’ve been missing out on during my time on iOS? Or just any recommendations at all for cool/useful apps that most people wouldn’t think to search for?

Bonus question for *sonic/Navidrome users, what’s your favorite Android client? I used Substacks last time I daily drove GrapheneOS, but it looks like it might not be actively maintained anymore.