Brella makes the most sense when networking is not a side feature but the actual reason people justify the event. That can mean investor meetings, exhibition buyer-seller matching, sponsor lead generation, or conferences where the meeting program is the core product rather than a nice extra.
That focus is both its advantage and its constraint. Brella is good precisely because it does not try to be everything. If you already have a registration or website stack and need a stronger networking engine, it is attractive. If you need one vendor to run every operational layer of the event, it is a less obvious fit.
For teams that measure success in booked meetings, sponsor outcomes, and high-intent connections, Brella earns a serious look. For teams measuring success mainly in registrations processed and badges printed, broader platforms are usually easier to justify.