Keenstone Toaster 4 Slice, Digital Smart Toaster vs Mueller UltraToast Stainless Steel Toaster 4 Slice
Updated July 2026 — Keenstone Toaster 4 Slice, Digital Smart Toaster wins on sales rank and power, Mueller UltraToast Stainless Steel Toaster 4 Slice wins on slots.
The Mueller UltraToast offers great value with its extra-wide slots and strong performance, while the Keenstone Toaster excels in advanced features.
Why Keenstone Toaster 4 Slice, Digital Smart Toaster is better
Advanced Features
Touchscreen and memory function enhance usability.
Design
Ergonomic design with larger icons.
Energy Efficiency
Single-slice mode reduces energy use.
Why Mueller UltraToast Stainless Steel Toaster 4 Slice is better
Price
More budget-friendly at $39.99.
Slot Size
Extra-wide 1.6-inch slots for larger items.
Popularity
Higher sales rank indicates better customer satisfaction.
Overall score
Specifications
| Spec | Keenstone Toaster 4 Slice, Digital Smart Toaster | Mueller UltraToast Stainless Steel Toaster 4 Slice |
|---|---|---|
| Brand | Keenstone | MUELLER HOME |
| Design | Stainless Steel | Brushed Stainless Steel |
| Memory Function | Yes | Yes |
| Defrost | Yes | Yes |
| Reheat | Yes | Yes |
| Cancel Function | Yes | Yes |
Dimension comparison
Price Comparison
The Mueller UltraToast is priced at $39.99, making it about 29% cheaper than the Keenstone Toaster, which retails for $55.98. If you're budget-conscious, the Mueller UltraToast offers significant savings while still providing impressive features. This price difference is notable, especially for families looking to invest in a reliable toaster without breaking the bank. While both toasters have their unique advantages, the financial aspect may influence a buyer's decision.
Design and Build Quality
The Keenstone Toaster features a sleek, modern design with stainless steel accents, while the Mueller UltraToast also boasts a brushed stainless steel finish. Both toasters are visually appealing and designed to fit seamlessly into any kitchen décor. The Keenstone Toaster emphasizes ergonomic design with a 75° ErgoView display and larger icons for ease of use. In contrast, the Mueller UltraToast has capacitive touch buttons and an LED display that enhances user experience. Each toaster is built for durability, ensuring they will last in a busy kitchen environment.
Slot Size and Capacity
The Mueller UltraToast stands out with its extra-wide 1.6-inch slots, accommodating thick artisan bread, bagels, and other oversized items. The Keenstone Toaster has standard-sized slots but still offers the convenience of toasting four slices at once. For families or individuals who frequently enjoy larger bread varieties, the Mueller's slot size may be a significant advantage. Both models cater to different toasting needs but excel in their respective categories, making them suitable for various household preferences.
Toasting Features
Both toasters offer multiple browning levels to achieve the desired toasting result, with the Keenstone featuring six preset options and a memory function for ease of use. The Mueller UltraToast matches this with six browning settings and also includes memory recall, making it efficient for families who want consistency in their toasting. However, the Keenstone’s unique Single-Slice mode actively redirects heat to ensure even toasting, which can be more energy-efficient. This feature is particularly beneficial for those who might only need to toast one slice at a time.
Additional Functions
The Keenstone Toaster incorporates multiple functions, including reheat, defrost, and a timer, adding versatility to your morning routine. The memory function allows users to store their favorite settings, simplifying the toasting process. On the other hand, the Mueller UltraToast excels with its cancel, defrost, and reheat functions and is particularly effective with frozen foods, ensuring restaurant-quality results. Each toaster brings valuable features to the table, tailored for different user needs, but the Keenstone offers more programmable options overall.
Ease of Cleaning
When it comes to cleaning, both toasters are designed for convenience. The Keenstone features a removable crumb tray and a non-stick stainless steel surface, making maintenance straightforward. The Mueller UltraToast also includes a slide-out crumb tray that allows for quick cleanup in just about 10 seconds. The brushed stainless steel finish of both toasters resists fingerprints, ensuring they stay looking pristine. Overall, both models are user-friendly in this regard, but the Mueller's quick-clean design might appeal more to busy families.
Customer Satisfaction and Popularity
The Mueller UltraToast has a sales rank of 1,856, indicating it is a popular choice among consumers, with over 400,000 units sold. This level of popularity suggests a strong customer satisfaction rate, as many families rely on its performance for daily breakfast needs. The Keenstone, with a sales rank of 20,763, is a solid option but does not have the same level of consumer traction. For buyers looking for proven reliability and widespread approval, the Mueller UltraToast may have the edge.
Which should you buy?
In conclusion, choosing between the Keenstone Toaster and the Mueller UltraToast boils down to specific needs and preferences. The Mueller UltraToast is an excellent choice for those seeking a budget-friendly option with extra-wide slots and strong performance, particularly with frozen foods. It also has a solid reputation among customers, which adds to its appeal. Conversely, the Keenstone Toaster offers advanced features like a touchscreen interface and memory function, making it ideal for tech-savvy users looking for a versatile toaster. Ultimately, your decision should reflect which features align best with your lifestyle and toasting habits.

