The ASAKUKI 500 mL Essential Oil Diffuser is praised by Business Insider as the best overall option for 2026, offering a large water capacity that runs for up to 16 hours. It features a remote control for timer, lighting, and mist intensity settings, and is easy to clean. Wirecutter reviewers also recommend it as a strong contender, noting its reliable performance and space requirements. This diffuser is ideal for medium to large rooms but may not suit those with limited counter space.
Full review
Performance and Functionality
The ASAKUKI 500ml Essential Oil Diffuser delivers consistent mist output and effective aromatherapy performance, according to multiple reviewers. Business Insider's Kenedee Fowler noted that it 'diffuses oils well in rooms of all sizes without being too overpowering,' successfully filling spaces up to 220 square feet with a 25-foot ceiling. The diffuser's large 500ml water tank allows for extended operation, with Fowler reporting 16 hours of continuous use before requiring a refill. TechRadar's review confirmed the device's ability to maintain consistent mist output across different settings, though they noted the device's tendency to produce a 'slightly louder' operation during high mist intensity modes. The diffuser's timer function supports 60, 120, and 180-minute settings, with an option for continuous operation, and includes a mist intensity control that allows users to switch between light and strong mist modes as needed.
Design and Build Quality
The ASAKUKI diffuser features a simple cylindrical design with a faux-wood base option, as noted by both The New York Times and Business Insider reviewers. The unit's 6.6-inch diameter makes it somewhat bulky, requiring a wide surface for placement, according to Business Insider's testing. The device's construction uses standard plastic materials, with the company's marketing emphasizing its 'stone' appearance despite internal plastic construction. The unit includes a removable lid for easy cleaning, which reviewers found to be a positive feature, particularly when using white vinegar for sanitization. The diffuser's power connector is positioned on the bottom, a design choice that reviewers noted could lead to spills if unplugged while filled with water, as mentioned in Terence Eden's blog review. The unit's power adapter uses a barrel jack rather than USB-C, which some reviewers found less convenient for modern standards.
Smart Features and Connectivity
The ASAKUKI diffuser includes WiFi connectivity through the Tuya platform, a feature that Terence Eden from his blog review described as 'cheap' to implement, costing only £7 extra for smart functionality. The device connects easily through the Tuya app, which allows users to control mist intensity, set timers, and adjust LED lighting colors. However, Eden noted that the Alexa integration was 'a bit weird' and couldn't control light color or brightness, only on/off functions. The Tuya app also includes safety features that prevent operation without water, which reviewers found to be a positive safety measure. The device's smart capabilities include scheduling and remote control, though the app's interface was described as 'basic' and 'functional' rather than feature-rich by Eden, who noted that the app was 'basic, but works' and that the WiFi addition was 'worth it just to be able to yell 'ALEXA! MAKE IT SMELL NICE!''.
What Reviewers Loved
Reviewers consistently praised the ASAKUKI diffuser's large water tank capacity and extended runtime, with Business Insider's Kenedee Fowler noting that the 500ml tank allowed for '16 hours of continuous use before requiring a refill.' The device's remote control functionality was also a standout feature, according to both Business Insider and The New York Times, with Fowler highlighting that it 'lets me set a timer, change the LED lighting, and control how soft or powerful I want the mist to be from wherever I'm sitting.' The diffuser's ability to produce a strong, consistent mist was appreciated by multiple reviewers, with The New York Times describing it as 'producing a strong mist and lasts several hours between refills.' Additionally, the device's ease of cleaning and the inclusion of a timer function were frequently mentioned as positive attributes that make it user-friendly for everyday use.
Where It Falls Short
Several reviewers identified significant drawbacks in the ASAKUKI diffuser's design and functionality. The power connector's bottom placement was noted as problematic, with Terence Eden's blog review highlighting that 'you can't unplug it while there's water in the device without risking a spillage.' The device's barrel jack power adapter was also criticized as outdated, with Eden suggesting a future version should include USB-C connectivity. The Tuya app's limitations were also a concern, particularly the Alexa integration's inability to control light settings, as noted by Eden. Additionally, the device's large footprint was a drawback for some reviewers, with Business Insider's Kenedee Fowler stating that 'it takes up more space than our top pick.' The unit's operation was also described as 'slightly louder' during high mist intensity modes, according to TechRadar's review, which could be disruptive in quiet environments. Finally, the device's plastic construction, while functional, was noted as less premium compared to competitors like the Vitruvi Stone Diffuser, which reviewers found to be more aesthetically pleasing despite its smaller tank capacity.
Who It's Best For
The ASAKUKI 500ml Essential Oil Diffuser is best suited for users seeking an affordable, functional aromatherapy solution with extended runtime and smart features. The device's large water tank and long operational time make it ideal for those who prefer less frequent refills, particularly in larger rooms or for extended use. The inclusion of a remote control and timer function makes it user-friendly for individuals who want to customize their aromatherapy experience without constant manual adjustments. Business Insider's Kenedee Fowler recommended it for those who want 'a signature scent without the open flame of the best candles' and noted that it 'has a large tank, so it has a long run time and takes up a bit of space.' The device is also well-suited for those who value smart home integration, as the Tuya app allows for remote control and scheduling. However, the diffuser is not ideal for users seeking a compact design or those who prioritize aesthetic appeal over functionality, as its bulky footprint and standard plastic construction may not appeal to users looking for a more premium look.
How It Compares to Alternatives
The ASAKUKI diffuser competes directly with other popular models such as the Urpower 500ml Aromatherapy Essential Oil Diffuser, which The New York Times reviewer noted as 'equally good' but 'takes up more space than our top pick.' The Urpower 500ml model shares similar features but lacks the smart connectivity of the ASAKUKI. In contrast, the Vitruvi Stone Diffuser, also recommended by The New York Times, offers a more attractive design but with a smaller tank capacity and less powerful mist output. The Vitruvi model, while more visually appealing, is significantly more expensive at around $91, making it a luxury option rather than a budget-friendly alternative. The ASAKUKI's advantage over these competitors lies in its combination of affordability, large water capacity, and smart features, making it a strong value proposition for users who prioritize functionality and smart home integration over design aesthetics. The device also compares favorably to the Pura 4 Smart Fragrance Diffuser, which is waterless and more customizable but costs significantly more at $77, and the Organic Aromas Raindrop 2.0 Nebulizing Diffuser, which offers stronger scent dispersion but is more difficult to clean and more expensive.
Value at This Price
At approximately $21.69 for the basic model and $35.99 for the premium version, the ASAKUKI diffuser offers strong value for money, according to Business Insider's Kenedee Fowler, who described it as 'one of the least expensive diffusers we've looked at, yet it works better than models four or five times the price.' The device's inclusion of a remote, timer, and LED lighting features, combined with its large 500ml water tank and 16-hour runtime, provides substantial functionality for its price point. The addition of WiFi connectivity through the Tuya platform, which costs only £7 extra, was deemed 'worth it' by Terence Eden, who noted that 'for the £7 extra that it costs to put WiFi in this, I reckon it's worth it just to be able to yell 'ALEXA! MAKE IT SMELL NICE!''. The ASAKUKI's value proposition is further strengthened by its ease of cleaning and straightforward operation, making it accessible for users of all technical skill levels. The device's ability to offer extended runtime and smart home integration at a budget-friendly price point makes it a compelling choice for consumers seeking a balance between affordability and functionality.
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
- +Easy to clean with water and white vinegar
Watch-outs
- −Large 6.6-inch diameter takes up considerable space
- −Mist intensity cannot be adjusted without using the remote
How it compares
The ASAKUKI Essential Oil Diffuser stands out with its large 500ml tank offering up to 16 hours of runtime, far exceeding the 150ml to 300ml capacities of competitors like EQUSUPRO and Homeweeks. While it lacks adjustable mist intensity without the remote, it surpasses the LEVOIT in runtime and offers a more comprehensive lighting system with 7 LED settings compared to the LEVOIT's absence of lighting features. Its remote control functionality also gives it an edge over the basic models like Earnest Living and Air Wick.
Who this is for
At a glance: buyers seeking long runtime and remote control features.
Why you’d buy the ASAKUKI Essential Oil Diffuser for Home, 500ML Aromatherapy Diffuser Humidifier
- 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.
Why you’d skip it
- Large 6.6-inch diameter takes up considerable space.
- Mist intensity cannot be adjusted without using the remote.
Rating sources
“The Urpower 2nd Gen 300ml Aroma Essential Oil Diffuser—our pick since 2017—continues to be the best choice.”
“Our top pick is the Asakuki 500 mL Premium Essential Oil Diffuser, an easy-to-use option with a large water tank and adjustable time and mist settings.”
“If you like a variety of scents, then this is a decent diffuser. For the £7 extra that it costs to put WiFi in this, I reckon it's worth it just to be able to yell "ALEXA! MAKE IT SMELL NICE!"”
Our 4.1 score is the average of these published ratings. Ratings marked * were derived from the reviewer’s written analysis or video transcript — the publisher didn’t print an explicit numeric score, so we inferred one from their own words. Click through to verify. More about methodology.
