Boost was my go-to with Reddit from the moment I heard of it. Right now I'm constantly switching between Sync, Connect, Liftoff and Voyager due to each app missing something another has.
For example, in Sync you can't view all communities in a specific instance.
I haven't been using Lemmy itself for long. I had never heard of it until all the recent stuff with Reddit.
It was finding out that Boost was coming to Lemmy that convinced me to jump.
Nice, can't wait!