Assuming we are talking about Lemmy mobile apps, it depends. If you’re on Android I highly recommend “eternity” for Lemmy. It’s open sourced and very customizable and based on infinity for reddit. However, there are a ton of good apps otherwise. I recommend checking lemmys website for apps since they have apps listed. Just try a few until you find one that works for you.

Are you using an app, or a website UI, if so the default one or one of the many others?