A puzzle feeder makes the cat work for food through pushing, sliding or lifting, stretching meal time and adding cognitive challenge. A slow-feed bowl uses raised ridges to block gulping, with a simple structure aimed at eating too fast.

Puzzles suit energetic indoor cats needing enrichment, though too much difficulty makes cats give up and the toy sits idle. Slow bowls suit cats that eat rapidly and vomit afterwards, with almost no learning curve and no setup.

The trade-off is effect against patience: puzzles need owner involvement and staged difficulty, while a slow bowl addresses gulping but does little for food-focused boredom. Both must count toward daily calories, and neither fixes a diet that is simply too small.

Decide by what drives the behaviour: fast eating points to a slow bowl, lack of stimulation to a puzzle. If vomiting is frequent, weight is falling or appetite is abnormal, have a veterinarian rule out digestive and metabolic causes first.