FULYA Automatic Toothbrush with Teeth Whitening vs Ralexidog Smart U-Shaped Ultrasonic Toothbrush for Adults:
Updated August 2026 — FULYA Automatic Toothbrush with Teeth Whitening leads on price and features.
The FULYA toothbrush offers more features and versatility, making it a better choice for those seeking tailored oral care. However, the Smart U-Shaped toothbrush is a budget-friendly option.
Why FULYA Automatic Toothbrush with Teeth Whitening is better
Versatility
FULYA has three cleaning modes compared to Smart's single mode.
Battery Life
FULYA lasts up to one week on a single charge.
User Interface
FULYA features a one-button operation for ease of use.
Why Ralexidog Smart U-Shaped Ultrasonic Toothbrush for Adults: is better
Price
Smart is $4.69 cheaper than FULYA.
Included Accessories
Smart includes four interchangeable brush heads.
Weight
Smart is lighter, making it easier to handle.
Overall score
Specifications
| Spec | FULYA Automatic Toothbrush with Teeth Whitening | Ralexidog Smart U-Shaped Ultrasonic Toothbrush for Adults: |
|---|---|---|
| Cleaning Modes | 3 | 1 |
| Charging Time | 3 hours | not specified |
| Brush Heads | 1 | 4 |
| Waterproof | Yes | Not specified |
| Weight | Not specified | Lighter |
Dimension comparison
Overview of the Products
When comparing the FULYA Automatic Toothbrush with Teeth Whitening Mousse and the Smart U-Shaped Ultrasonic Toothbrush for Adults, it becomes clear that both products offer unique features tailored for efficient oral care. FULYA is priced at $24.59, while the Smart U-Shaped toothbrush is about 17% cheaper at $19.90. Each product aims to enhance the brushing experience through innovative designs and technology, but their approaches differ significantly.
Design and Usability
The FULYA toothbrush features a unique U-shape design that fits the gums better than traditional brushes. This ergonomic design allows for 360° cleaning in just 45 seconds, making it a time-efficient option for busy adults. In contrast, the Smart U-Shaped toothbrush also employs a U-shaped brush head that surrounds the teeth for full-mouth cleaning, emphasizing ease of use. Both products are designed with user convenience in mind, but FULYA's focus on a one-button operation further simplifies the brushing process, making it particularly appealing for those who prefer minimal interaction.
Cleaning Technology
Both toothbrushes utilize ultrasonic technology to enhance cleaning efficiency. The FULYA toothbrush combines this technology with three cleaning modes: strong, medium, and massage. This versatility allows users to select their preferred intensity based on their oral care needs. The Smart U-Shaped toothbrush also boasts ultrasonic vibrations and automatic brushing modes, focusing on removing plaque and food residues quickly. While both products effectively clean teeth, FULYA's multiple modes provide a tailored experience that may be more suitable for users with specific dental concerns.
Charging and Battery Life
The FULYA toothbrush features a wireless charging dock that requires just three hours for a full charge, providing up to one week of use on a single charge. This impressive battery life ensures that users can rely on the toothbrush for extended periods without the hassle of frequent recharging. On the other hand, the Smart U-Shaped toothbrush also comes with a wireless charging base, but specific battery life details are not provided in the data. However, the convenience of a charging base in both products indicates a commitment to user-friendly features, making both options suitable for travel and home use.
Included Accessories
The FULYA toothbrush package includes essential accessories such as a charging dock, USB charging cable, toothpaste foam, and a user manual. This comprehensive package ensures that users have everything they need to start their oral care routine. Similarly, the Smart U-Shaped toothbrush comes with a complete kit that includes four interchangeable brush heads, a charging base, and foam mousse toothpaste. The inclusion of additional brush heads in the Smart U-Shaped toothbrush allows for customization based on individual preferences and needs, providing an edge in versatility.
Price Comparison
In terms of pricing, the FULYA toothbrush is available for $24.59, while the Smart U-Shaped toothbrush retails for $19.90. This makes the Smart U-Shaped toothbrush about 17% less expensive than FULYA. While price is an important factor for many consumers, it should be weighed against features and overall value. The additional features in FULYA, such as its three cleaning modes, may justify the higher price for users seeking a more tailored brushing experience.
Customer Reception and Rankings
The FULYA toothbrush currently holds a sales rank of 110,906, indicating a moderate level of popularity, while the Smart U-Shaped toothbrush has a sales rank of 297,815, reflecting a lower level of consumer traction. While these rankings provide insight into customer reception, they do not encompass the full range of user experiences. Reviews and feedback can vary, so potential buyers should consider individual needs and preferences when choosing between these two options.
Which should you buy?
Ultimately, your choice between the FULYA Automatic Toothbrush with Teeth Whitening Mousse and the Smart U-Shaped Ultrasonic Toothbrush for Adults should be guided by your specific oral care needs and budget. If you value versatility and are willing to invest a bit more for features like multiple cleaning modes, the FULYA toothbrush may be the better option. However, if you're looking for a more budget-friendly choice that still offers effective cleaning with added brush heads, the Smart U-Shaped toothbrush could be the way to go.

