In a two-cat home, the bowl is rarely the problem; the audience is. A shy cat who eats while watching over her shoulder, ready to abandon the meal the moment the bold cat appears, will quietly eat less than she needs even when her bowl is full, because being displaced from food is stressful enough that she stops contesting it. A fair system therefore does not rely on the bold cat's manners. It rebuilds the geography and the timing of meals so that stealing is physically pointless, then proves with a scale, not an impression, that the shy cat is finally eating her share.
Separate Stations With a Visual Break
Give each cat a station of her own in a genuinely separate place, different rooms where the home allows it, with a visual break between them: a closed door, a corner, a screen or furniture arranged so the shy cat cannot see the bold cat while she eats and the bold cat has no straight line of approach to her bowl. Sight matters as much as distance, because a shy cat who can see the bold cat watching her will eat nervously even ten feet away, while a cat eating unseen behind a door relaxes and finishes. Place the shy cat's station somewhere she already feels safe, near her resting spots rather than beside the bold cat's favourite routes, with her water alongside so she need not cross contested ground to drink. Feed the bold cat at the same moment, in his own place, so mealtime occupies him while she eats; synchronised meals remove the idle spectator who finishes first and goes looking for a second course.
Timed Meals and Nothing Left Down
Free-feeding undoes good geography, because a bowl left standing all day is a bowl the bold cat can raid at leisure. Feed at set times instead, putting measured meals down for both cats together, staying within earshot while the shy cat builds confidence, and picking up leftovers promptly once each cat has finished or walked away. Prompt removal is the quiet engine of the whole system: stealing never pays when there is nothing left to steal, and the bold cat learns that visiting the other station produces an empty, washed bowl rather than a bonus meal. For the first week or two, supervise directly, not to police the bold cat, whom you can simply feed behind his own closed door if he finishes fast, but to learn the shy cat's true appetite when she is relaxed, which sets the portion she should be offered. Note who ate what on which day, because appetite drift in the shy cat is information you will want if her weight does not respond.
When Separation Needs a Lock
If stealing persists despite separate stations and timed meals, usually because the bold cat is quick, determined and has learned the schedule, add technology: a feeder that opens only for her microchip or collar tag gives the shy cat a station that is physically locked to every other animal in the house while opening instantly for her. Introduce it with the lid open and her normal food inside until she uses it without hesitation, then enable the selective opening and let her set the pace. Whatever arrangement you land on, verify it with evidence: weigh the shy cat monthly, on the same scale and at the same time of day, and keep the figures where you can compare them, because a shy cat gaining or holding steady proves she is getting her share in a way that watching bowls never quite does. A falling weight despite a fair-looking setup means the system leaks somewhere, and the figures tell you to look again. The weighing routine stays regular when it sits in Care Teams from KinsLe, assigned to a named person with each monthly result logged beside the task.