Head-to-head · Best Essential Oil Diffusers

ASAKUKI 500 mL Essential Oil Diffuser vs EQUSUPRO 150ml Black Metal Essential Oil Diffuser

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

ASAKUKI 500 mL Essential Oil Diffuser comes out ahead by a clear margin (4.3 vs 4.0). ASAKUKI 500 mL Essential Oil Diffuser is best for: buyers seeking long runtime and remote control features. Read the strengths below before deciding.

Higher ratedRanked #1 in Best Essential Oil Diffusers

ASAKUKI 500 mL Essential Oil Diffuser

4.3

2 sourcesall derived$21.99as of Oct 4

Business Insider named the ASAKUKI 500 mL Essential Oil Diffuser its best overall option for 2026, crediting a large water capacity that keeps the unit running up to 16 hours. A remote control handles timer, lighting, and mist intensity settings, and cleaning is easy. Wirecutter reviewers rate it a strong contender too, pointing to reliable performance while noting how much space it takes up. Medium to large rooms are where it belongs; anyone short on counter space should size down.

Strengths

— Large 500 mL water tank provides up to 16 hours of runtime
— Includes remote control for convenient operation
— Features 7 LED light settings with adjustable brightness

Watch-outs

— Large 6.6-inch diameter takes up considerable space

$21.99 · Check Price on Amazon Full review →

Ranked #3 in Best Essential Oil Diffusers

EQUSUPRO 150ml Black Metal Essential Oil Diffuser

4.0

1 sourceall derived$17.99as of Oct 11

The EQUSUPRO is a 150ml ultrasonic diffuser in a black metal shell, priced at the bottom of the category. It mists continuously or on a 30-seconds-on, 30-off cycle, runs whisper quiet, and adds a seven-colour LED nightlight. There is no app, no scheduling and no smart timer; the controls are buttons on the unit. TechGearLab's aromatherapy diffuser roundup ranks it eighth, praising its vivid light patterns but faulting its inconsistent, underwhelming diffusing performance, and the two video reviews among its cited reviews both land at 4.5.

Strengths

— Compact design suitable for small spaces
— Black metal aesthetic with modern appearance, which TechGearLab calls rich and striking
— Easy to use with simple controls and LED lighting, per TechGearLab

Watch-outs

— Limited water capacity at 150ml

$17.99 · Check Price on Amazon Full review →

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

How they stack up

ASAKUKI 500 mL Essential Oil Diffuser

The ASAKUKI 500 mL Essential Oil Diffuser has a larger tank than the 300ml Pure Daily Care Ultimate Aromatherapy Diffuser & Essential Oil Set and the EQUSUPRO 150ml Black Metal Essential Oil Diffuser. Its runtime is listed at up to 16 hours, while the Pure Daily Care set was measured at over 20 hours from its smaller tank. It offers light or strong mist where the Pure Daily Care has one level, and it includes a remote control.

EQUSUPRO 150ml Black Metal Essential Oil Diffuser

The EQUSUPRO 150ml Black Metal Essential Oil Diffuser has half the tank of the 300ml Pure Daily Care Ultimate Aromatherapy Diffuser & Essential Oil Set and less than a third of the ASAKUKI 500 mL Essential Oil Diffuser's. It has no timer, where the Pure Daily Care offers 1, 3 and 6 hour settings and the ASAKUKI 60, 120 and 180 minutes. Like the ASAKUKI it has seven LED light colors.

Specs side-by-side

Spec	ASAKUKI 500 mL Essential Oil Diffuser	EQUSUPRO 150ml Black Metal Essential Oil Diffuser
Tank Capacity	500 mL (17 ounces)	150ml
Mist Settings	Light or strong mist	Continuous, intermittent (30s on/30s off)
Timer Settings	60, 120, and 180 minutes; continuous; intermittent	None (continuous mist)
Lighting	7 LED lights	7 LED colors
Noise Level	Quiet	Whisper quiet
Coverage Area	Rooms of all sizes	~10 sq m
Material	Plastic	Black Metal
Power Source	Barrel jack	Corded electric

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