SUNMAY Cordless Hair Straightener, 0. vs TYMO Flat Iron Hair Straightener and Curler 2 in 1
Updated August 2026 — SUNMAY Cordless Hair Straightener, 0. wins on portability, TYMO Flat Iron Hair Straightener and Curler 2 in 1 wins on weight and battery life.
The SUNMAY Cordless Hair Straightener is ideal for portability and affordability, while the TYMO Flat Iron excels in versatility and rapid heating.
Why SUNMAY Cordless Hair Straightener, 0. is better
Price
SUNMAY is $15.01 cheaper than TYMO
Weight
SUNMAY weighs only 0.5 lbs
Cordless
SUNMAY offers cordless convenience
Why TYMO Flat Iron Hair Straightener and Curler 2 in 1 is better
Heating Speed
TYMO heats up in 10 seconds
Temperature Range
TYMO has 32 adjustable temperatures
Safety Features
TYMO includes a patented gravity sensor
Overall score
Specifications
| Spec | SUNMAY Cordless Hair Straightener, 0. | TYMO Flat Iron Hair Straightener and Curler 2 in 1 |
|---|---|---|
| Price | $44.98 | $59.99 |
| Heating Type | Standard | MCH |
| Battery | 5000mAh | Corded |
| Temperature Settings | 3 | 32 |
| Weight | 0.5 lbs | 1.0 lbs |
Dimension comparison
Overview of the SUNMAY Cordless Hair Straightener and TYMO Flat Iron
The SUNMAY Cordless Hair Straightener is priced at $44.98, making it about 25% cheaper than the TYMO Flat Iron, which costs $59.99. Both products offer unique features tailored for different types of users, particularly those who prioritize convenience and versatility in hair styling. The SUNMAY focuses on portability and cordless operation, while the TYMO emphasizes adjustable temperatures and rapid heating times.
Design and Portability
The SUNMAY Cordless Hair Straightener stands out with its lightweight design, weighing only 0.5 lbs, making it perfect for travel. It fits easily into a carry bag, ideal for styling on the go. In contrast, the TYMO Flat Iron, while also portable, has a traditional design with a tangle-free swivel cord, which may limit its convenience for some users. However, both devices are dual voltage, allowing for use worldwide, which enhances their travel-friendly appeal.
Heating Performance
The SUNMAY heats up in a rapid 20 seconds, reaching temperatures of 165°C (329°F) and going up to 205°C (401°F) in just 30 seconds. This quick heating capability is essential for users in a hurry. On the other hand, the TYMO Flat Iron boasts a speedy 10-second heating time, offering a wider range of 32 temperature settings from 140°F to 450°F. This feature allows for more precise styling based on hair type, making the TYMO a solid option for those who require versatility in heat settings.
Versatility in Styling
The SUNMAY Cordless Hair Straightener is a 2-in-1 device that allows users to straighten and curl hair, catering to various styling needs. Its design aims to minimize hair pulling and damage, making it suitable for most hair types. Conversely, the TYMO Flat Iron also functions as a straightener and curler, but its advanced MCH heating technology ensures that it can smoothly glide through hair with less snagging. This makes the TYMO more suitable for those who frequently switch between styles.
Battery Life and Usage Time
The SUNMAY features a built-in 5000mAh battery, providing approximately 20-30 minutes of usage time on a full charge. This is adequate for quick touch-ups but may not suffice for extensive styling sessions. In contrast, the TYMO Flat Iron operates on a cord, eliminating concerns about battery life. It includes a safety feature that automatically shuts off after 5 minutes of inactivity, which is beneficial for users worried about leaving their devices on.
Safety Features
Safety is a significant consideration for both products. The SUNMAY has an automatic heating shutoff during charging, which is a useful precaution. The TYMO Flat Iron enhances safety with its patented gravity sensor that activates the iron with a sway motion and also features an automatic shut-off if left idle for 5 minutes. This combination of features may give the TYMO an edge for safety-conscious users.
Pricing Comparison
At $44.98, the SUNMAY is significantly cheaper than the TYMO, which retails for $59.99. This price difference of about $15.01 means that the SUNMAY is approximately 25% more affordable. However, the TYMO, with its advanced features and technology, may justify its higher price for users who value additional functionalities and a broader temperature range.
Which should you buy?
Deciding between the SUNMAY Cordless Hair Straightener and the TYMO Flat Iron ultimately depends on your specific needs. If you prioritize portability, a lower price point, and versatile styling options, the SUNMAY is an excellent choice. However, if you require rapid heating, a wide range of temperature settings, and enhanced safety features, the TYMO Flat Iron may be worth the additional investment. Each product caters to different preferences, making them both strong contenders in the hair styling market.

