The Brome Squirrel Buster Plus is the better all-around pick for most backyard birdwatchers because Brome gives a clear, ownership-relevant specification: 5.1 pounds of seed, six feeding ports, a Cardinal Ring System, and a 28-inch height from base to hanger. Its published mechanism is simple to understand. Birds use the aligned openings; when a squirrel’s weight loads the feeder, the shroud moves down and closes access to those ports. That is a useful, documented distinction for someone deciding how a feeder should behave in a busy backyard.
The Droll Yankees Flipper has a real advantage, not a token consolation prize. Droll Yankees describes a rechargeable, weight-activated spinning perch that deters squirrels while birds feed. It also specifies powder-coated metal construction, a 5-pound seed capacity, and simple cleaning. That motorized perch is an intentionally different answer to the same problem. A buyer who specifically wants the rotating-perch concept, and is comfortable treating recharge as part of the routine, has a sound reason to choose the Flipper.
Neither maker’s mechanism should be read as a universal outcome claim. A feeder’s placement, nearby branches, spilled seed, local animals, and upkeep change the experience. The sensible verdict is narrower: Brome is the better default because its six-port, 5.1-pound layout and published 28-inch form give more shoppers a defined large-feeder routine. Droll Yankees is the better specialist pick when the spinning-perch design is the point.