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Muji Ultrasonic Aroma Diffuser vs mimicat Whisper-Quiet Glass Essential Oil Diffuser

Buy the Muji if you want a proven, minimal diffuser with a timer and soft night light from a brand with a long track record. Buy the mimicat if run time and quiet operation matter more, since it runs up to 8 hours continuously and is rated at 25 dB. The Muji has the larger owner base and steady 4.5-star feedback, but owners call it small and say they refill often. The mimicat's glass body looks nicer than plastic, though it has far fewer reviews to judge long-term reliability.

  • Choose the Muji Ultrasonic Aroma Diffuser if you want a simple, well-reviewed diffuser with a timer, two light levels and a clean minimal look for a bedroom or small room.
  • Choose the mimicat Whisper-Quiet Glass Essential Oil Diffuser if you want long unattended run time, near-silent operation and a glass-and-wood body for a larger room or office.

Prices

  • Muji Ultrasonic Aroma Diffuser: $81.99 at Amazon (last seen Nov 9)
  • mimicat Whisper-Quiet Glass Essential Oil Diffuser: $49.99 at Amazon (last seen Nov 9)
  • Difference: the mimicat Whisper-Quiet Glass Essential Oil Diffuser is $32.00 cheaper than the Muji Ultrasonic Aroma Diffuser at the latest prices (Nov 9)
Muji
Muji Ultrasonic Aroma Diffuser

Muji Ultrasonic Aroma Diffuser

4.5(261 ratings)
$81.99at AmazonChecked Nov 9
See all prices and details
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Pros
  • Timer with four settings up to 3 hours
  • Two light levels double as a night light
  • Long-selling design with a large base of owner reviews
  • Easy to clean and simple to operate
  • No heat or flame
Cons
  • Small tank means frequent refills
  • Owners say it is small for its size class
  • Mist stops at 3 hours, short for overnight use
  • All-plastic body
mimicat
mimicat Whisper-Quiet Glass Essential Oil Diffuser

mimicat Whisper-Quiet Glass Essential Oil Diffuser

$49.99at AmazonChecked Nov 9
See all prices and details
Visit Amazon

As an Amazon Associate, Deal.ai earns from qualifying purchases.

Pros
  • Up to 8 hours continuous, 18 hours intermittent
  • 25 dB rating is very quiet
  • Glass and wood body looks more premium than plastic
  • Auto shut-off when the tank runs dry
  • 230 ml tank needs fewer refills
Cons
  • No multi-stage timer listed
  • Few owner reviews to judge durability
  • Glass body is more breakable than plastic
  • Brand is less established

What separates them

Muji Ultrasonic Aroma Diffusermimicat Whisper-Quiet Glass Essential Oil Diffuser
Continuous run timeUp to 3 hours, then it shuts offUp to 8 hours continuous, up to 18 hours intermittent
NoiseUltrasonic, quiet but not ratedRated at 25 dB, near silent
Timer settingsFour timers: 30, 60, 120 and 180 minutesNo multi-stage timer listed; auto shut-off when empty
LightingTwo adjustable LED brightness levelsNot a listed feature
Build materialsPP resin body and ABS adapter, all plasticGlass body with plastic and wood accents
Water capacitySmall reservoir; owners say they refill often230 ml tank
Track record4.5 out of 5 from 261 ratings, long-selling Muji designFew ratings, newer brand
Room coverageListed for 100-250 sq. ft. depending on the sourceNot stated; suited to home and office use

Price history

  • Muji Ultrasonic Aroma Diffuser: lowest $81.99 on Nov 9 at Amazon.
  • mimicat Whisper-Quiet Glass Essential Oil Diffuser: lowest $49.99 on Nov 9 at Amazon.

Prices at every store

Muji Ultrasonic Aroma Diffuser

  • Muji Usa Online StoreNew

    In stock

    $129.00Free shippingChecked Nov 9
    Visit Muji Usa Online Store
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $81.99Free shippingChecked Nov 9
    Visit Amazon
All 2 stores and price history →

mimicat Whisper-Quiet Glass Essential Oil Diffuser

  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $49.99Free shippingChecked Nov 9
    Visit Amazon

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  • eBayCheck price at eBay

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Prices and history →

Specs compared

SpecMuji Ultrasonic Aroma Diffusermimicat Whisper-Quiet Glass Essential Oil Diffuser
TypeOil diffuser, Ultrasonic Moisturizing Aroma Dif…Electric Diffuser
ColorWhiteWhite
MaterialABS Resin (Adapter), PP Resin (Body)Glass, Plastic, Wood
Product TypeOil Diffuser—
RefillNo—
Longevity3—
EnvironmentHome—
Typical UsersAdults—
ContainsEssential oil—
Power SourceElectric, AC100-240V—
ShapeRound (Approx. dia. 3.1")—
Design HighlightsTimer—
Show all 30 specsShow fewer specs
SpecMuji Ultrasonic Aroma Diffusermimicat Whisper-Quiet Glass Essential Oil Diffuser
Design StyleModern—
Season ThemeChristmas—
Application AreaHome—
Coverage Area100-130 sq. ft.—
UsageContinuous—
IngredientsEssential oil, Water—
DepthNo information—
Height14 cm, 5.5 in—
Weight22.9 oz, 650 g—
Width3.1 in, 8 cm

What reviewers say

Muji Ultrasonic Aroma Diffuser

  • 4.5 / 5261 ratings

Owners rate it highly for build quality, ease of use and the soft, subtle mist. Many mention the minimal design and the timer and light options as reasons they keep it on a nightstand or desk. The main complaints are the small tank, which needs topping up often, and the limited coverage for bigger rooms.

What people mention
  • Mist outputPraisedOwners describe a soothing, light mist that spreads fragrance without feeling heavy.
  • Ease of cleaningPraisedReviewers say the top lifts off and the reservoir wipes clean without fuss.
  • DesignPraisedThe round, minimal white body is repeatedly called out as good-looking and unobtrusive.
  • Tank sizeCriticisedOwners say they have to add water often because the reservoir is small.

Questions and answers

Which is better for overnight use?
The mimicat. It runs up to 8 hours continuously and shuts off automatically, while the Muji stops at 3 hours maximum.
Which is quieter?
The mimicat is rated at 25 dB, which is close to silent. The Muji is ultrasonic and quiet too, but Muji does not publish a noise figure.
Which lasts longer?
The Muji has a longer track record and steady owner ratings, so its reliability is better known. The mimicat's glass body is more fragile, and it has too few reviews to judge long-term durability.
Is the mimicat worth stepping up to over the Muji?
Yes if you want long run time, a bigger tank and a glass body. No if you want a timer with several settings and a light you can dim.
Which suits a small bedroom?
Both do. The Muji is compact and has a dimmable light, which many people like at night. The mimicat's longer run time means fewer refills.
Do either need special water or oil?
Both use plain tap water with a few drops of essential oil. The Muji specifies 3 to 6 drops and works best between 60 and 80°F.

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More comparisons

  • Muji Ultrasonic Aroma Diffuser vs Halo Home Diffuser
  • Halo Home Diffuser vs mimicat Whisper-Quiet Glass Essential Oil Diffuser
—
Included AccessoriesAdapter, Power Cord—
Free OfNo heat or flame used—
Noise Level—25 dB
Capacity—230ML
Continuous Runtime—8 hours
Intermittent Runtime—up to 18 hours
Special Feature—Automatic Shut-Off, Cool Mist, Si
Recommended Uses—Home, Office