Maybuy Ultrasonic Automatic Toothbrush, Ultrasonic vs Onlyone Sonic Electric Toothbrush for Adults,
Updated July 2026 — Onlyone Sonic Electric Toothbrush for Adults, leads on battery and accessories.
Onlyone offers more features and better overall value, making it the superior choice for most users.
Why Maybuy Ultrasonic Automatic Toothbrush, Ultrasonic is better
Lower Price
Maybuy is priced at $24.99 compared to Onlyone's $27.76.
Unique Design
Maybuy features a U-shaped brush for deeper cleaning.
Quick Charge
Maybuy charges in 1.5 hours for 10 days of use.
Why Onlyone Sonic Electric Toothbrush for Adults, is better
Better Battery
Onlyone lasts up to 30 days on a single charge.
More Modes
Onlyone offers 5 cleaning modes and 3 intensity levels.
Accessories
Onlyone includes 8 brush heads and a travel case.
Overall score
Specifications
| Spec | Maybuy Ultrasonic Automatic Toothbrush, Ultrasonic | Onlyone Sonic Electric Toothbrush for Adults, |
|---|---|---|
| Charging Time | 1.5 hours | 3 hours |
| Waterproof | IPX7 | Yes |
| Vibrations | High-frequency | 48,000 VPM |
| Weight | Light | Moderate |
| Warranty | 1 year | 2 years |
Dimension comparison
Design and Build Quality
The Maybuy Ultrasonic Automatic Toothbrush features a unique U-shaped design, while the Onlyone Sonic Electric Toothbrush for Adults opts for a more traditional brush head shape. Maybuy’s U-shaped brush is contoured to fit the teeth bite, aiming to reach deeper areas more effectively than common toothbrushes. This design is paired with high-frequency sound wave vibrations to clean the surface and inside of teeth in all directions. The brush is made from food-grade, eco-friendly silica gel and has an IPX7 waterproof rating, allowing for whole body washing. On the other hand, Onlyone focuses on durability and offers a more conventional brush head with eight replacement brush heads included, which suggests long-term usability. Both products offer wireless or USB charging options, but Maybuy emphasizes portability with its quick 1.5-hour USB charge lasting 10 days, while Onlyone’s setup includes a charging base and wireless charging with a longer battery life of up to 30 days.
Cleaning Performance and Technology
When it comes to cleaning technology, both toothbrushes employ ultrasonic and sonic vibrations, but their approaches differ. Maybuy’s Ultrasonic Automatic Toothbrush uses a 360-degree contact U-shaped brush combined with high-frequency sound wave vibrations to clean teeth and gums deeply in all directions. Additionally, it includes an LED blue light feature aimed at accelerating stain removal from coffee, tea, soda, and smoking stains, although it does not include whitening gel. Onlyone’s Sonic Electric Toothbrush boasts a powerful 48,000 vibrations per minute (VPM) motor designed to remove up to 10 times more plaque than a manual toothbrush. It emphasizes professional-level cleaning with customizable modes and intensity levels for a thorough brushing experience. Both models aim to improve gum health and oral hygiene, but Onlyone’s motor speed and plaque removal claim offer a quantifiable advantage.
Cleaning Modes and Customization
Onlyone leads the comparison in terms of cleaning modes and customization. It provides five different cleaning modes alongside three intensity levels, allowing users a highly personalized brushing experience tailored to their preferences or specific oral care needs. Maybuy offers four function modes: strong, medium, massage, and whitening, which cover basic brushing needs and gum massage but with fewer overall options. Both toothbrushes include timers to ensure adequate brushing duration. Onlyone’s smart timer provides reminders every 30 seconds to switch quadrants, aligning with dental recommendations. Maybuy also features an automatic timer but does not specify quadrant reminders. Overall, users seeking more versatility in modes and intensity will find Onlyone’s offering more adaptable.
Battery Life and Charging
Battery life and charging convenience differ notably between the two models. Maybuy’s toothbrush requires just 1.5 hours of USB charging to deliver up to 10 days of use, making it a quick-charge option ideal for frequent travelers or those needing fast turnaround times. In contrast, Onlyone requires approximately 3 hours to fully charge but boasts a much longer battery life of up to 30 days on a single charge. This extended battery performance is better suited for users who prefer less frequent charging, such as office workers or travelers on longer trips. Onlyone’s inclusion of a charging base alongside wireless charging adds additional convenience and flexibility in charging setup compared to Maybuy’s USB dock.
Accessories and Extras
Onlyone offers a clear advantage in accessories, including eight replacement brush heads, a travel case, and a charging base. This comprehensive kit supports long-term use and makes it convenient for travel and storage. Maybuy’s package focuses more on portability with wireless charging and a compact design but does not include replacement brush heads or a travel case based on the available information. The presence of multiple brush heads in Onlyone’s kit is a significant value addition, as users will not need to purchase replacements separately for an extended period. Maybuy’s LED blue light for whitening is a unique feature but does not come with whitening gel, which may limit immediate usability for teeth whitening purposes.
Price and Value
The Maybuy Ultrasonic Automatic Toothbrush is priced at $24.99, making it about 10% cheaper than the Onlyone Sonic Electric Toothbrush, which retails for $27.76. While Maybuy’s price is lower, Onlyone’s product holds a much stronger sales rank (559 versus Maybuy’s 174,836), suggesting higher popularity and possibly better customer trust. Considering the additional accessories and longer battery life that Onlyone provides, the roughly $2.77 price difference could be justified for users seeking a more comprehensive and durable electric toothbrush solution. Maybuy’s lower price might appeal to budget-conscious buyers, especially those interested in its U-shaped design and LED whitening feature.
User Experience and Practicality
In terms of user experience, Onlyone’s smart timer with 30-second quadrant reminders aligns well with dental hygiene best practices, helping users brush evenly and thoroughly. Maybuy’s multifunctional modes include a massage setting that can promote gum health, and the LED blue light can provide a more comfortable and potentially faster whitening effect, although without whitening gel included. Both toothbrushes emphasize portability, but Maybuy’s quick charging and waterproof design may be more convenient for those frequently on the move. Onlyone’s longer battery life and inclusion of a travel case cater well to users needing a travel-friendly yet long-lasting brush. Overall, Onlyone offers more features that enhance daily brushing habits, while Maybuy provides a novel brushing style with quick recharge convenience.
Which should you buy?
Deciding between the Maybuy Ultrasonic Automatic Toothbrush and the Onlyone Sonic Electric Toothbrush hinges on your priorities. If you prefer a lower upfront cost, a unique U-shaped brush design, and quick charging with waterproof convenience, Maybuy’s $24.99 model is a sensible choice. However, if you seek a more customizable brushing experience, longer battery life, superior plaque removal, and a full accessory kit including eight brush heads and a travel case, the Onlyone toothbrush at $27.76 offers greater overall value. Additionally, Onlyone’s much higher bestseller rank reflects stronger market acceptance and possibly better reliability. For most users looking for a versatile, feature-rich electric toothbrush, Onlyone is the recommended pick. For budget shoppers or those intrigued by the novel U-shape and LED whitening, Maybuy remains a compelling option.

