Can one feeder handle multiple cats with different diets?

Yes—RFID/collar-sensor and camera-recognition feeders are designed for multi-pet homes. The PETLIBRO RFID feeder uses a collar sensor for per-cat portion control and anti-stealing, while camera models use multi-cat recognition. For homes that just need two cats fed at once without diet separation, dual-bowl timer feeders like the oneisall 5L are a simpler, well-reviewed option.