I still need to really take the App a test drive, but my initial observation is the inability to display in landscape. That’s my own personal pet peeve with all Apps.

I cannot speak to these options. I have Shure earbuds, but also don’t want to just recommend them as there are so many options out there today. What are your primary needs for earbuds, are you looking for sound quality, sound isolation? Are you limited to Amazon purchases? You may want to go down a rabbit hole on the Perrivan audio review site, https://perrivanaudio.com/oreo-list/. Good Hunting!