Gear Score Methodology
PetPal Gear Score
Best Cat Pheromone Diffusers and Calming Products: Multi-Cat Tension, Vet Visits, Moving (2026)
Editorial synthesis of the AAFP/ISFM 2024 Intercat Tension Guidelines, the AAFP/ISFM Feline Environmental Needs Guidelines, the Merck Veterinary Manual on feline behavior problems, AVSAB position statements on humane training, International Cat Care guidance on stress and feline-friendly handling, the Frank 2010 systematic review on feline pheromone evidence — combined with manufacturer documentation from Ceva (FELIWAY), Central Garden & Pet (Comfort Zone), NaturVet, and Meowfia. PetPalHQ does not run a testing lab.
PetPal Gear Score = (Expert Consensus × 0.35) + (Environmental Fit × 0.30) + (Manufacturer Documentation × 0.20) + (Value × 0.15)Factor breakdown
Expert Consensus
35%Synthesized from the AAFP/ISFM 2024 Intercat Tension Guidelines, the AAFP/ISFM Feline Environmental Needs Guidelines, the Merck Veterinary Manual on feline behavior, AVSAB position statements, International Cat Care guidance, and the Frank 2010 systematic review on feline pheromone evidence. The PetPal Gear Score is a composite of expert opinion — PetPalHQ does not run a testing lab.
Environmental Fit
30%How well the product fits the AAFP/ISFM five-pillar environmental framework — safe places, separated resources, predatory play, predictable interaction, and respect for scent — rather than being framed as a standalone calming intervention.
Manufacturer Documentation
20%Quality of the manufacturer's instructions for placement, dosing, dry time, sizing, and safe use, judged against the conservative reading of veterinary references.
Value
15%Price relative to expected duration of use, refill cost, and realistic frequency of use within a feline-environment plan.
See all score methodologies on the Gear Score index.