vsversusfinder

SUNMAY Cordless Hair Straightener, 0. vs TYMO Flat Iron Hair Straightener

Updated April 2026 — SUNMAY Cordless Hair Straightener, 0. wins on portability and heating speed, TYMO Flat Iron Hair Straightener wins on safety and value.

SUNMAY Cordless Hair Straightener, 0.85 Inch Titanium Portable Hair Straightener for Travel, Cordless Mini Flat Iron Hair Straighteners and Curlers 2 in 1, Dual Voltage, On-The-Go & 20S Fast Heat Up$44.98

SUNMAY Cordless Hair Straightener, 0.85 Inch Titanium Portable Hair Straightener for Travel, Cordless Mini Flat Iron Hair Straighteners and Curlers 2 in 1, Dual Voltage, On-The-Go & 20S Fast Heat Up

SUNMAY

Winner
TYMO Flat Iron Hair Straightener - Titanium Hair Straighteners for Women, 1 Inch Professional Travel Flat Iron, Portable Straightener and Curlers with 10s Heat Up, 32 Temp, Dual Voltage & LED Display$39.98

TYMO Flat Iron Hair Straightener - Titanium Hair Straighteners for Women, 1 Inch Professional Travel Flat Iron, Portable Straightener and Curlers with 10s Heat Up, 32 Temp, Dual Voltage & LED Display

TYMO

The TYMO Flat Iron edges out the SUNMAY Cordless Straightener for general home use due to its lower price, safety auto-shutoff, and specialized plate coating. However, the SUNMAY is the superior choice for frequent travelers who prioritize cordless convenience and specific temperature control despite the higher cost.

Why SUNMAY Cordless Hair Straightener, 0. is better

True cordless freedom

Designed as a cordless unit weighing only 0.5lbs

Faster heat-up time

Reaches operating temperature in 20 seconds

Precise temperature options

Offers 3 specific settings: 165°C, 185°C, 205°C

Included travel protection

Comes with a heat-resistant Travel Pouch

Why TYMO Flat Iron Hair Straightener is better

Lower retail price

Priced at $39.98 compared to $44.98

Enhanced safety feature

Auto-shuts off after 5 minutes of inactivity

Specialized plate coating

Plates enriched with argan oil and keratin

Wider plate surface

Features 1 inch floating plates

Overall score

SUNMAY Cordless Hair Straightener, 0.
85
TYMO Flat Iron Hair Straightener
88

Specifications

SpecSUNMAY Cordless Hair Straightener, 0.TYMO Flat Iron Hair Straightener
Power SourceCordlessCorded (Swivel Cord)
Weight0.5lbs
Plate MaterialTitanium AlloyTitanium with Argan Oil and Keratin
Temperature Settings3 (165°C, 185°C, 205°C)
Heating Time20 Seconds
Voltage CompatibilityDual Voltage100-240V
Auto Shutoff5 Minutes
Plate Width1 Inch
Price$44.98$39.98
Special FeaturesTravel PouchMotion-sense Tech

Dimension comparison

SUNMAY Cordless Hair Straightener, 0.TYMO Flat Iron Hair Straightener

Design and build quality

The SUNMAY Cordless Hair Straightener focuses on a compact form factor designed for mobility. It features titanium alloy floating plates without chemical coating, aiming to reduce friction during styling. The unit is constructed to be lightweight, specifically noted at 0.5lbs, making it easy to handle for extended periods. In contrast, the TYMO Flat Iron utilizes a traditional corded design with a 360° tangle-free swivel cord. Its build incorporates titanium plates enriched with argan oil and keratin coating. Both devices utilize titanium for the primary heating surface, but the TYMO adds conditioning elements to the plate surface while the SUNMAY focuses on a raw alloy finish to prevent coating peeling.

Portability and travel features

Portability is the primary differentiator between these two tools. The SUNMAY model is explicitly engineered for travel, featuring a cordless design that eliminates the need for power outlets during use. It includes a heat-resistant Travel Pouch to keep belongings organized and safe. The device supports dual voltage compatible with power sources worldwide. However, users must note that aluminum batteries are banned at Japanese airports, restricting travel to that region. The TYMO unit supports universal 100-240V compatibility, making it suitable for international voltage standards, but it remains tethered by its power cord. While TYMO is travel-friendly regarding voltage, the SUNMAY offers superior physical portability due to the lack of a cord.

Plate technology and materials

Both straighteners utilize titanium as the base material for their plates, known for efficient heat distribution. The SUNMAY uses upgraded titanium alloy floating plates without chemical coating. This design choice claims to cut hair-to-plate friction by 50% and delivers smoother surfaces compared to traditional chemical coatings. The TYMO flat iron features advanced titanium plates enriched with argan oil and keratin coating. The manufacturer claims this delivery system provides 150% smoother glide than ceramic plates. Additionally, TYMO states this coating boosts hair health by achieving 89% more shine and 98% frizz-free results. The SUNMAY focuses on durability and friction reduction, while TYMO emphasizes hair health and shine enhancement through infusions.

Heating performance and temperature

Heating speed and temperature control are critical for styling efficiency. The SUNMAY cordless straightener features 20S fast heating technology, allowing users to begin styling quickly after powering on. It offers a 3-step adjustment system with specific temperature settings of 165°C, 185°C, and 205°C. This allows users to select heat levels based on hair type. The TYMO product data does not specify the exact heat-up time or specific temperature degrees. However, it utilizes floating plates with rounded edges to ensure even contact. The SUNMAY provides more transparent data regarding heating metrics, giving users clear expectations on wait times and heat levels compared to the unspecified metrics of the TYMO model.

Safety and usability features

Safety mechanisms vary significantly between the two devices. The TYMO hair straightener features smart Motion-sense Tech, which activates with a simple shake. More importantly, it includes an auto-shutoff function that engages after 5 minutes of inactivity, reducing fire risk if left unattended. The SUNMAY product description does not list an automatic shutoff feature. Instead, it focuses on usability through its cordless nature, which removes the hazard of tripping over cords. The SUNMAY also highlights that the provided pouch keeps belongings safe during travel. For home use where forgetting to unplug is a risk, the TYMO offers a distinct safety advantage with its timed shutoff capability.

Styling versatility

Versatility refers to the range of styles achievable with the tool. The TYMO hair straightener is marketed as a 2-in-1 tool capable of straightening and curling. Its 1 inch 3D floating plates with rounded edges are designed to transform hair into sleek straight locks, bouncy blowout waves, romantic loose curls, or defined spiral curls without leaving awkward kinks. The SUNMAY is described primarily as a mini travel flat iron and cordless curling iron in warnings, suggesting curling capability. However, the TYMO explicitly details the range of styles from straight to spiral curls. The SUNMAY focuses on quick styling on the go at work or while traveling. TYMO appears to offer broader styling instructions and plate geometry designed for multi-style creation.

Price and value

When evaluating cost against features, the TYMO Flat Iron presents a lower entry price at $39.98. The SUNMAY Cordless Hair Straightener is priced higher at $44.98. The price difference of $5.00 may be justified for users who specifically require cordless operation and the included travel pouch. However, for general home use, the TYMO offers additional safety features like auto-shutoff and specialized plate coatings at a lower cost. Both products currently show N/A for ratings and review counts, so user feedback cannot influence the value assessment. Based on feature density per dollar, the TYMO provides safety and coating benefits for less money, while the SUNMAY charges a premium for cordless convenience.

Which one should you buy?

Your choice depends on your primary use case. If you travel frequently and need to style hair without access to power outlets, the SUNMAY Cordless Hair Straightener is the logical choice. Its 0.5lbs weight, 20-second heat-up, and specific temperature settings cater to on-the-go needs. However, you must avoid taking it to Japanese airports due to battery restrictions. If you prioritize home use, safety, and hair health features, the TYMO Flat Iron is the better option. It offers auto-shutoff safety, argan oil and keratin infused plates, and a lower price point. The corded design ensures consistent power, while the motion-sense technology adds modern convenience. For most users seeking a reliable daily straightener, the TYMO provides better value and safety features.