Top 10 Best cat diffuser in 2026

Last Updated - 6/8/2026

🏆Best Choice

FELIWAY

FELIWAY Optimum 3 x 30 Day Cat Calming Refills for Pheromone Diffuser, 3 x 48ml Value Pack - Helps Reduce Common Signs of Stress in Cats & Kittens, Enhanced Calming

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•REFILL PACK INCLUDES: FELIWAY Optimum refill pack includes 3 vials; make sure to only use a FELIWAY diffuser with a FELIWAY Optimum refill (FELIWAY products have gone through thorough safety testing, and are not compatible with other brands)
•REDUCES COMMON SIGNS OF CAT STRESS: FELIWAY Optimum helps reduce common signs of cat stress such as urine spraying, scratching, fears, and tensions & conflicts. Cat owners reported a 77% reduction in urine spraying, 72% reduction in tension and conflicts, a 73% reduction in scratching, and a 70% reduction in fearful reactions to changes*
•ENHANCED SERENITY FOR CATS AND KITTENS: Featuring our patented pheromone discovery¹, FELIWAY Optimum brings the best of feline calming pheromones for improved results². It helps cats with more signs of stress, in more situations, and calms cats better than ever²
•USED BY MILLIONS OF CAT FAMILIES: FELIWAY Cat Calming Pheromone Diffusers are used by millions of families around the world to help ease their cats’ stress related behaviors; they use the science of pheromones to send calming messages to your cat to help them feel more safe and secure
•DRUG FREE & SAFE TO USE: FELIWAY diffusers are drug-free, non-sedating, and while cat pheromone analogs may help your cat, they won't affect humans or other pets
•COVERS LARGE LIVING SPACES: Each diffuser covers an area up to 700 sqft, ensuring widespread calming support throughout your home for cats of all ages. To get started, simply plug your diffuser into an open outlet with 4+ feet of space to diffuse, with the vents pointed upward
•#1 VET RECOMMENDED BRAND: FELIWAY Optimum is the patented¹ formula from the #1 vet recommended brand, and is backed by 25+ years of feline stress expertise and scientific research

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$59.99

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FELIWAY

FELIWAY Optimum 6 x 30 Day Cat Calming Refills for Pheromone Diffuser, 6 x 48ml Value Pack - Helps Reduce Common Signs of Stress in Cats & Kittens, Enhanced Calming

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•REFILL PACK INCLUDES: FELIWAY Optimum refill pack includes 6 vials; make sure to only use a FELIWAY diffuser with a FELIWAY Optimum refill (FELIWAY products have gone through thorough safety testing, and are not compatible with other brands)
•REDUCES COMMON SIGNS OF CAT STRESS: FELIWAY Optimum helps reduce common signs of cat stress such as urine spraying, scratching, fears, and tensions & conflicts. Cat owners reported a 77% reduction in urine spraying, 72% reduction in tension and conflicts, a 73% reduction in scratching, and a 70% reduction in fearful reactions to changes*
•ENHANCED SERENITY FOR CATS AND KITTENS: Featuring our patented pheromone discovery¹, FELIWAY Optimum brings the best of feline calming pheromones for improved results². It helps cats with more signs of stress, in more situations, and calms cats better than ever²
•USED BY MILLIONS OF CAT FAMILIES: FELIWAY Cat Calming Pheromone Diffusers are used by millions of families around the world to help ease their cats’ stress related behaviors; they use the science of pheromones to send calming messages to your cat to help them feel more safe and secure
•DRUG FREE & SAFE TO USE: FELIWAY diffusers are drug-free, non-sedating, and while cat pheromone analogs may help your cat, they won't affect humans or other pets
•COVERS LARGE LIVING SPACES: Each diffuser covers an area up to 700 sqft, ensuring widespread calming support throughout your home for cats of all ages. To get started, simply plug your diffuser into an open outlet with 4+ feet of space to diffuse, with the vents pointed upward
•#1 VET RECOMMENDED BRAND: FELIWAY Optimum is the patented¹ formula from the #1 vet recommended brand, and is backed by 25+ years of feline stress expertise and scientific research

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$99.99

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FELIWAY

FELIWAY® Optimum 30 Day Cat Calming Refill for Pheromone Diffuser, 48ml - Helps Reduce Common Signs of Stress in Cats & Kittens, Enhanced Calming

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•REFILL PACK INCLUDES: FELIWAY Optimum refill pack includes 1 vial; make sure to only use a FELIWAY diffuser with a FELIWAY Optimum refill (FELIWAY products have gone through thorough safety testing, and are not compatible with other brands)
•REDUCES COMMON SIGNS OF CAT STRESS: FELIWAY Optimum helps reduce common signs of cat stress such as urine spraying, scratching, fears, and tensions & conflicts. Cat owners reported a 77% reduction in urine spraying, 72% reduction in tension and conflicts, a 73% reduction in scratching, and a 70% reduction in fearful reactions to changes*
•ENHANCED SERENITY FOR CATS AND KITTENS: Featuring our patented pheromone discovery¹, FELIWAY Optimum brings the best of feline calming pheromones for improved results². It helps cats with more signs of stress, in more situations, and calms cats better than ever²
•USED BY MILLIONS OF CAT FAMILIES: FELIWAY Cat Calming Pheromone Diffusers are used by millions of families around the world to help ease their cats’ stress related behaviors; they use the science of pheromones to send calming messages to your cat to help them feel more safe and secure
•DRUG FREE & SAFE TO USE: FELIWAY diffusers are drug-free, non-sedating, and while cat pheromone analogs may help your cat, they won't affect humans or other pets
•COVERS LARGE LIVING SPACES: Each diffuser covers an area up to 700 sqft, ensuring widespread calming support throughout your home for cats of all ages. To get started, simply plug your diffuser into an open outlet with 4+ feet of space to diffuse, with the vents pointed upward
•#1 VET RECOMMENDED BRAND: FELIWAY Optimum is the patented¹ formula from the #1 vet recommended brand, and is backed by 25+ years of feline stress expertise and scientific research

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$24.99

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FELIWAY

FELIWAY® MultiCat 3 x 30 Day Cat Calming Refills for Pheromone Diffuser, 3 x 48ml Value Pack- Helps Reduce Conflicts and Signs of Tension in Multi-Cat Households

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•REFILL PACK INCLUDES: FELIWAY MultiCat refill value pack contains 3 x 48ml refills, compatible with a FELIWAY MultiCat diffuser.
•HELPS REDUCE COMMON SIGNS OF TENSION BETWEEN CATS: FELIWAY MultiCat, developed by the #1 vet recommended brand, helps reduce common signs of tension between cats such as: conflict, fighting, chasing, and blocking
•ENHANCED CALM AT HOME FOR MULTICAT HOUSEHOLDS: FELIWAY MultiCat plug-in diffuser uses the science of pheromones to send calming messages that mimic a mother cat’s natural pheromones to help reduce tensions & conflicts. 84% of cat owners saw significant improvement in conflict between cats when using FELIWAY MultiCat
•DRUG FREE & SAFE TO USE: FELIWAY diffusers are drug-free, non-sedating, and while cat pheromone analogs may help your cat, they won't affect humans or other pets
•PROVIDES 4 WEEKS OF CALMING SUPPORT: With just one refill, the diffuser offers up to 30 days of continuous calming benefits, helping your cat feel calmer
•COVERS LARGE LIVING SPACES: Each diffuser covers an area up to 700 sqft, ensuring widespread calming support throughout your home for cats of all ages. To get started, simply plug your diffuser into an open outlet with 4+ feet of space to diffuse, with the vents pointed upward
•#1 VET RECOMMENDED BRAND: FELIWAY MultiCat is trusted by vets to improve your cat’s well-being with an easy, hassle-free application, backed by 25+ years of expertise

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$51.99

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FELIWAY

FELIWAY® MultiCat 30 Day Cat Calming Refill for Pheromone Diffuser, 48ml - 1x 30 Day - Helps Reduce Conflicts and Signs of Tension in Multi-Cat Households

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•REFILL PACK INCLUDES: FELIWAYY MultiCat refill pack contains 1 x 48ml refill, compatible with a FELIWAY MultiCat diffuser
•HELPS REDUCE COMMON SIGNS OF TENSION BETWEEN CATS: FELIWAY MultiCat, developed by the #1 vet recommended brand, helps reduce common signs of tension between cats such as: conflict, fighting, chasing, and blocking
•ENHANCED CALM AT HOME FOR MULTICAT HOUSEHOLDS: FELIWAY Multicat plug-in diffuser uses the science of pheromones to send calming messages that mimic a mother cat’s natural pheromones to help reduce tensions & conflicts. 84% of cat owners saw significant improvement in conflict between cats when using FELIWAY MultiCat
•DRUG FREE & SAFE TO USE: FELIWAY diffusers are drug-free, non-sedating, and while cat pheromone analogs may help your cat, they won't affect humans or other pets
•PROVIDES 4 WEEKS OF CALMING SUPPORT: With just one refill, the diffuser offers up to 30 days of continuous calming benefits, helping your cat feel calmer
•COVERS LARGE LIVING SPACES: Each diffuser covers an area up to 700 sqft, ensuring widespread calming support throughout your home for cats of all ages. To get started, simply plug your diffuser into an open outlet with 4+ feet of space to diffuse, with the vents pointed upward
•#1 VET RECOMMENDED BRAND: FELIWAY MultiCat is trusted by vets to improve your cat’s well-being with an easy, hassle-free application, backed by 25+ years of expertise

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$19.00

$20.99

-9%

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FELIWAY

FELIWAY® Optimum 30 Day Cat Calming Plug In Pheromone Diffuser Starter Kit, 48ml - Helps Reduce Common Signs of Stress in Cats & Kittens, Enhanced Calming

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•REDUCES COMMON SIGNS OF CAT STRESS: FELIWAY Optimum helps reduce common signs of cat stress such as urine spraying, scratching, fears, and tensions & conflicts. Cat owners reported a 77% reduction in urine spraying, 72% reduction in tension and conflicts, a 73% reduction in scratching, and a 70% reduction in fearful reactions to changes*
•ENHANCED SERENITY FOR CATS AND KITTENS: Featuring our patented pheromone discovery¹, FELIWAY Optimum brings the best of feline calming pheromones for improved results². It helps cats with more signs of stress, in more situations, and calms cats better than ever²
•USED BY MILLIONS OF CAT FAMILIES: FELIWAY Cat Calming Pheromone Diffusers are used by millions of families around the world to help ease their cats’ stress related behaviors; they use the science of pheromones to send calming messages to your cat to help them feel more safe and secure
•DRUG FREE & SAFE TO USE: FELIWAY diffusers are drug-free, non-sedating, and while cat pheromone analogs may help your cat, they won't affect humans or other pets
•COVERS LARGE LIVING SPACES: Each diffuser covers an area up to 700 sqft, ensuring widespread calming support throughout your home for cats of all ages. To get started, simply plug your diffuser into an open outlet with 4+ feet of space to diffuse, with the vents pointed upward
•#1 VET RECOMMENDED BRAND: FELIWAY Optimum is the patented¹ formula from the #1 vet recommended brand, and is backed by 25+ years of feline stress expertise and scientific research

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$29.99

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FELIWAY

FELIWAY MultiCat 30 Day Cat Calming Plug In Pheromone Diffuser Starter Kit, 48ml - Helps Reduce Conflicts and Signs of Tension in Multi-Cat Households

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•HELPS REDUCE COMMON SIGNS OF TENSION BETWEEN CATS: FELIWAY MultiCat, developed by the #1 vet recommended brand, helps reduce common signs of tension between cats such as: conflict, fighting, chasing, and blocking
•ENHANCED CALM AT HOME FOR MULTICAT HOUSEHOLDS: FELIWAY MultiCat plug-in diffuser uses the science of pheromones to send calming messages that mimic a mother cat’s natural pheromones to help reduce tensions & conflicts. 84% of cat owners saw significant improvement in conflict between cats when using FELIWAY MultiCat
•DRUG FREE & SAFE TO USE: FELIWAY diffusers are drug-free, non-sedating, and while cat pheromone analogs may help your cat, they won't affect humans or other pets
•PROVIDES 4 WEEKS OF CALMING SUPPORT: With just one refill, the diffuser offers up to 30 days of continuous calming benefits, helping your cat feel calmer
•COVERS LARGE LIVING SPACES: Each diffuser covers an area up to 700sqft, ensuring widespread calming support throughout your home for cats of all ages. To get started, simply plug your diffuser into an open outlet with 4+ feet of space to diffuse, with the vents pointed upward
•#1 VET RECOMMENDED BRAND: FELIWAY MultiCat is trusted by vets to improve your cat’s well-being with an easy, hassle-free application, backed by 25+ years of expertise

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$24.99

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FELIWAY

FELIWAY® Classic Cat Calming Spray, 60ml - Comforts Cats at Home and On the Go and Helps to Calm During Travel

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•COMFORT YOUR CAT AT HOME AND ON THE GO: FELIWAY Classic Spray helps target areas marked by your cat through scratching and spraying and calms your cat during travel. With 25+ years of expertise, FELIWAY is approved by millions of cat families worldwide
•MAKE TRAVEL LESS STRESSFUL: FELIWAY Classic Spray works by releasing calming pheromones, when sprayed directly into the cat carrier, or onto a bed or blanket. This sends calming messages to your cat's brain and creates a calmer atmosphere for them when on the road. Great for road trips, or shorter trips like going to the vet. DO NOT spray directly on your cat
•CALMS YOUR CAT AT HOME: When sprayed directly on areas marked by your cat, FELIWAY Classic Spray helps promote calm and reduce spraying and scratching of those areas
•MULTIPLE APPLICATIONS: FELIWAY Classic Spray comes in a handy format and offers calming benefits for 4-5 hours. Lasts for approximately 50 uses, at home or on the go
•#1 VET RECOMMENDED BRAND: FELIWAY Classic is trusted by vets to improve your cat’s well-being with an easy, hassle-free application, backed by decades of expertise

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$24.99

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FELIWAY

FELIWAY® Classic 30 Day Cat Calming Refill for Pheromone Diffuser, 48ml - Helps Reduce Common Signs of Stress in Cats & Kittens, Enhanced Calming

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•REFILL PACK INCLUDES: The FELIWAY Classic refill pack contains 1 x 48ml refill, compatible with a FELIWAY Classic diffuser
•HELPS REDUCE COMMON SIGNS OF CAT STRESS: FELIWAY Classic helps cats feel calmer, and reduces signs of stress such as scratching, urine spraying, hiding and home changes. With 25+ years of expertise, FELIWAY is used by millions of cats worldwide
•ENHANCED CALM AT HOME FOR CATS AND KITTENS: FELIWAY Classic plug-in diffuser uses the science of pheromones to send calming messages to your cat to help them feel more safe and secure
•DRUG FREE & SAFE TO USE: FELIWAY diffusers are drug-free, non-sedating, and while cat pheromone analogs may help your cat, they won't affect humans or other pets
•PROVIDES 4 WEEKS OF CALMING SUPPORT: With just one refill, the diffuser offers up to 30 days of continuous calming benefits, helping your cat feel calmer
•COVERS LARGE LIVING SPACES: Each diffuser covers an area up to 700 sqft, ensuring widespread calming support throughout your home for cats of all ages. To get started, simply plug your diffuser into an open outlet with 4+ feet of space to diffuse, with the vents pointed upward
•NO. 1 VET RECOMMENDED BRAND: FELIWAY Classic is trusted by vets to improve your cat’s well-being with an easy, hassle-free application, backed by 25+ years of expertise

View offer on:

$20.99

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FELIWAY

FELIWAY Classic 30 Day Cat Calming Plug In Pheromone Diffuser Starter Kit, 48ml - Helps Reduce Common Signs of Stress in Cats & Kittens, Enhanced Calming

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•HELPS REDUCE COMMON SIGNS OF CAT STRESS: FELIWAY Classic helps cats feel calmer, and reduces signs of stress such as scratching, urine spraying, hiding and home changes. With 25+ years of expertise, FELIWAY is used by millions of cats worldwide
•ENHANCED CALM AT HOME FOR CATS AND KITTENS: FELIWAY Classic plug-in diffuser uses the science of pheromones to send calming messages to your cat to help them feel more safe and secure
•PROVIDES 4 WEEKS OF CALMING SUPPORT: With just one refill, the diffuser offers up to 30 days of continuous calming benefits, helping your cat feel calmer
•DRUG FREE & SAFE TO USE: FELIWAY diffusers are drug-free, non-sedating, and while cat pheromone analogs may help your cat, they won't affect humans or other pets
•COVERS LARGE LIVING SPACES: Each diffuser covers an area up to 700 sqft, ensuring widespread calming support throughout your home for cats of all ages. To get started, simply plug your diffuser into an open outlet with 4+ feet of space to diffuse, with the vents pointed upward
•#1 VET RECOMMENDED BRAND: FELIWAY Classic is trusted by vets to improve your cat’s well-being with an easy, hassle-free application, backed by 25+ years of expertise

View offer on:

$24.99

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