The Keurig K-Supreme Plus Smart Single Serve Coffee Maker uses Keurig's MultiStream technology, which punches five holes in a K-Cup pod instead of one to improve extraction. Reviewers said coffee quality benefits, and brew strength, temperature, and drink sizes are all adjustable. Others criticized the brew temperature and extraction time as still short of where they should be. The price is premium, which pushes it out of reach for budget buyers. It fits people who want convenience plus decent coffee quality but don't need the full smart connectivity of the K-Supreme Smart model.
Full review
78-ounce reservoir means fewer refills
The Keurig K-Supreme Plus Smart presents a sleek, modern aesthetic that fits well in contemporary kitchens. According to Cozy Corner Charm's review, the machine features a solid construction with responsive buttons and a premium touchscreen display that feels substantial compared to older models. The build quality is notably more robust than basic Keurig models, with dimensions measuring 8.3"D x 13.4"W x 12.4"H, making it slightly larger than some competitors like the K-Elite and K-Classic but still space-efficient for most countertop setups. The water reservoir capacity of 78 ounces is generous, reducing the frequency of refills, which is particularly beneficial for households or individuals who consume large quantities of coffee daily.
MultiStream Technology Performance
Keurig's MultiStream Technology represents a significant upgrade over traditional single-serve brewers, as demonstrated in both Homegrounds and Cozy Corner Charm reviews. Instead of puncturing K-Cups with a single hole, this system uses five streams to evenly saturate coffee grounds, resulting in improved extraction and flavor. Homegrounds' Julia Bobak noted that the technology is "the equivalent of the showerhead water dispensing systems seen in higher-end drip coffee machines," and that it makes a "big difference" in coffee quality. Cozy Corner Charm confirmed that this feature eliminates the common issue of weak, watery brews, producing a richer and more consistent flavor profile across different coffee types, from light roasts to bold dark blends.
Smart Features and App Integration
The K-Supreme Plus Smart's smart capabilities are a standout feature, though they come with some limitations. Cozy Corner Charm praised the BrewID technology, which automatically recognizes K-Cup pods and adjusts brewing settings accordingly, creating a more tailored experience. However, the machine's reliance on Wi-Fi connectivity is a notable drawback. Homes and Gardens reviewer Camryn Rabideau noted that the app is "far from perfect" and "doesn't work properly without Wi-Fi connected," which can be frustrating for users who prefer offline functionality. The app allows scheduling brews, monitoring water levels, and tracking consumption, but its limited functionality and dependency on internet access may deter less tech-savvy users. While the smart features are appealing, they're not essential for basic coffee preparation.
Brewing Customization Options
The K-Supreme Plus Smart offers extensive customization options that cater to diverse taste preferences. Users can choose from five strength settings—Balanced, Rich, Robust, Strong, and Intense—and six temperature options ranging from Warm to Max Hot, allowing for precise control over flavor profiles. Cozy Corner Charm emphasized that these settings enable users to fine-tune their coffee to match their mood or the type of blend they're using. The machine supports five cup sizes: 4, 6, 8, 10, and 12 ounces, with programmable favorites that can be saved for multiple users. Homes and Gardens reviewer Laura Honey noted that the ability to customize brew strength, temperature, and drink size makes it a versatile choice for busy households. However, some reviewers, including Homegrounds, pointed out that the brew temperature remains too low and extraction time is still insufficient for optimal coffee quality.
Real-World Performance and Coffee Quality
Coffee quality in the K-Supreme Plus Smart is generally well-received, with reviewers noting a marked improvement over standard Keurig models. Cozy Corner Charm reported that the coffee tastes "rich and full-bodied" across various blends, and that the BrewID feature removes guesswork from selecting optimal brewing parameters. Homegrounds' Julia Bobak found that the MultiStream technology significantly enhances extraction, producing a more flavorful cup compared to previous Keurig models. While the machine delivers a better cup of coffee from K-Cups, it still falls short of true specialty coffee quality. The iced coffee setting is also appreciated, as it brews at a lower temperature to prevent dilution when poured over ice, though some reviewers noted that the machine's overall brewing temperature and timing still need refinement for maximum flavor extraction.
Smart features aren't actually that smart
Pricing for the K-Supreme Plus Smart is positioned at the premium end of the Keurig lineup, with Homegrounds and Cozy Corner Charm both noting that it's more expensive than basic models but offers better value than other smart Keurig options. The machine's advanced features, including MultiStream technology, BrewID recognition, and smart connectivity, justify its higher cost for users seeking customization and convenience. However, Homes and Gardens reviewer Camryn Rabideau noted that the smart features are "not actually smart" due to app limitations and Wi-Fi dependency, which may reduce its value proposition.
Brew temperature runs too low
Despite its advanced features, the K-Supreme Plus Smart has several shortcomings that detract from its overall appeal. The most significant issue is its dependence on Wi-Fi connectivity for full functionality, which can be a major inconvenience for users without reliable internet access or those who prefer offline operation. Homes and Gardens reviewer Camryn Rabideau explicitly stated that the app is "far from perfect" and doesn't work properly without Wi-Fi. Additionally, while the MultiStream technology improves extraction, reviewers like Homegrounds' Julia Bobak noted that the brew temperature remains "too low" and extraction time is "still too short" for optimal coffee flavor. The machine also lacks some of the convenience features found in higher-end competitors, such as the ability to adjust brewing time or more advanced filtration systems, making it less appealing for coffee enthusiasts seeking premium performance.
Best for families wanting scheduled brewing
The Keurig K-Supreme Plus Smart is best suited for busy households or individuals who value convenience, customization, and smart connectivity in their coffee routine. Cozy Corner Charm and Homes and Gardens reviewers both identified it as ideal for users who want a machine that offers extensive brewing options without the complexity of traditional coffee makers. The programmable favorites, BrewID recognition, and scheduling features make it particularly appealing for families or professionals who need consistent, personalized coffee throughout the day. However, it's not recommended for budget-conscious buyers or those who prefer to avoid smart home technology. While the machine delivers a better cup of coffee than basic Keurig models, it's not the best option for users seeking true specialty coffee quality or those who prioritize simplicity over advanced features.
Strengths
- +MultiStream technology improves coffee extraction and flavor
- +Offers 6 brew size options (6-12 oz) and 5 strength settings
- +Includes programmable buttons for saved brewing preferences
- +Dual-position water reservoir for flexible placement
- +Brews iced coffee with special settings for better taste
Watch-outs
- −Brew temperature still too low for optimal extraction
- −Extraction time remains insufficient for full flavor development
- −Price is fairly high compared to basic models
How it compares
The K-Supreme Plus introduces MultiStream technology that improves extraction quality compared to the Keurig K-Elite and K-Classic, but it's more expensive and still falls short of optimal brew temperatures. Unlike the Ninja DualBrew Pro, it lacks a built-in milk frother, and while it offers more customization than the K-Mini Plus, it's less compact and doesn't support ground coffee brewing.
Rating sources
Our 4.7 score is the average of these published ratings. More about methodology.
