Karosie Small Single Serve Coffee Maker, Fast Brew vs OXO Brew Compact Cold Brew Coffee Maker
Updated August 2026 — Karosie Small Single Serve Coffee Maker, Fast Brew wins on brew speed and taste quality, OXO Brew Compact Cold Brew Coffee Maker wins on size.
The Karosie Small Single Serve Coffee Maker is ideal for those who need quick hot coffee, while the OXO Brew Compact Cold Brew Coffee Maker excels in making cold brew concentrate. Choose based on your coffee preference.
Why Karosie Small Single Serve Coffee Maker, Fast Brew is better
Speed
Brews coffee in as little as 120 seconds
Convenience
One-button operation for quick brewing
Maintenance
Includes descaling reminder and self-cleaning feature
Why OXO Brew Compact Cold Brew Coffee Maker is better
Capacity
Brews up to 24 ounces of coffee concentrate
Versatility
Can make both hot and iced coffee
Storage
Nests for convenient storage
Overall score
Specifications
| Spec | Karosie Small Single Serve Coffee Maker, Fast Brew | OXO Brew Compact Cold Brew Coffee Maker |
|---|---|---|
| Brewing Method | Hot Coffee | Cold Brew |
| Price | $39.99 | $39.95 |
| Self-Cleaning | Yes | No |
| Pod Compatibility | K-Cup & Grounds | Grounds Only |
| User Rating | 4.5 | 4.3 |
Dimension comparison
Overview of the Products
The Karosie Small Single Serve Coffee Maker and the OXO Brew Compact Cold Brew Coffee Maker cater to different coffee preferences and brewing styles. Priced at $39.99 and $39.95 respectively, both machines offer unique features tailored for coffee enthusiasts. The Karosie serves hot coffee quickly, while the OXO excels in making cold brew concentrate. Each has its advantages, appealing to distinct user needs based on brewing methods and convenience.
Brewing Method
The Karosie Small Single Serve Coffee Maker is designed for those who prefer a quick, hot cup of coffee. It brews a fresh 6 to 12 oz cup using either K-Cup pods or ground coffee, taking as little as 120 seconds for a satisfying brew. In contrast, the OXO Brew Compact Cold Brew Coffee Maker allows users to create low-acid coffee concentrate suitable for both hot and iced beverages. It has a 24-ounce capacity, yielding enough concentrate for up to seven coffee drinks, but requires a brewing time of 12 to 24 hours. This fundamental difference in brewing method means that while the Karosie is perfect for immediate coffee needs, the OXO is ideal for those who enjoy planning ahead for their coffee.
Design and Size
When it comes to design and size, the Karosie Small Single Serve Coffee Maker is compact and space-saving, measuring 9.45 inches in height and 4.33 inches in width. This makes it suitable for small kitchens, dorm rooms, and offices. The OXO Brew Compact Cold Brew Coffee Maker also boasts a compact design, making it easy to store in a refrigerator or on a countertop, but it primarily focuses on being a cold brew system. Both products are designed for convenience, but the Karosie is particularly appealing for users with limited space seeking a quick coffee solution.
Convenience Features
The Karosie features a one-button operation for fast brewing, making it user-friendly, especially during busy mornings. It includes a water tank with a view window for precise control over brewing strength and has a self-cleaning function that activates when descaling is needed. Conversely, the OXO includes a Rainmaker that evenly distributes water over coffee grounds, ensuring optimal extraction. While both machines offer conveniences, the Karosie's descaling reminder and self-cleaning feature provide additional peace of mind for maintenance.
Material and Build Quality
The Karosie Small Single Serve Coffee Maker is constructed from BPA-free and heat-resistant materials, ensuring safety and durability. The OXO Brew Compact Cold Brew Coffee Maker features a borosilicate glass carafe and stopper with a silicone seal, promoting freshness and easy cleaning. Both products prioritize quality and usability, but the Karosie's focus on safety with BPA-free materials might appeal more to health-conscious users.
Brewing Capacity
The brewing capacity varies significantly between the two machines. The Karosie can brew individual cups ranging from 6 to 12 ounces, making it suitable for single servings. On the other hand, the OXO Brew has a larger capacity, allowing users to create 24 ounces of coffee concentrate at once. This translates to multiple servings, making it ideal for sharing or for those who prefer to have coffee ready for several days. Depending on individual coffee consumption habits, one may find one capacity more appealing than the other.
Maintenance and Cleaning
Maintenance is straightforward for both coffee makers, but they approach it differently. The Karosie includes a descaling indicator that turns red when maintenance is needed, prompting users to clean the machine with a simple two-second button hold. This proactive feature can help prolong the machine's lifespan. The OXO Brew's reusable stainless steel mesh filter is easy to clean, ensuring that grounds do not escape into the brew. While both machines are designed for easy maintenance, the Karosie's automated reminders provide an edge in keeping the machine in optimal condition.
Price Comparison
The Karosie Small Single Serve Coffee Maker is priced at $39.99, while the OXO Brew Compact Cold Brew Coffee Maker is slightly cheaper at $39.95. The price difference is minimal—just four cents, making both options similarly priced. However, considering the features offered, the Karosie could be seen as offering more immediate value for those who prefer hot coffee, while the OXO is a strong contender for those who enjoy cold brews.
Which should you buy?
Choosing between the Karosie Small Single Serve Coffee Maker and the OXO Brew Compact Cold Brew Coffee Maker ultimately depends on your coffee preferences and lifestyle. If you value speed and convenience in preparing hot coffee, the Karosie is the better choice with its one-button operation and quick brewing time. However, if you prefer a smoother, low-acid coffee concentrate for both hot and cold drinks, the OXO Brew stands out for its capacity and brewing method. Both machines offer excellent features, so consider your individual coffee habits and preferences before making a decision.

