The best smartwatches to buy in 2021

Want to enhance your traditional Smartwatch by adding more apps to your wrist? Or looking for a new, more sophisticated smartwatch to replace your old one?

Smartwatches come at all shapes, sizes, and prices, but good smartwatches do more than inform you when you receive a text or call. They can offer many things at once: a health and fitness tracker to help you stay healthy, a digital wallet, a phone, and life-saving features.

With so many beautiful smartwatches available today, there is so much to think about when buying a smartwatch. So, to help you find the best option for you, we have selected some of the best smartwatches you can buy today based on features, battery life, smartphone type of operation, and budget list.

5 Best Smartwatch in 2021

Apple Watch Series 6

There is no doubt that the Apple Watch Series 6 is the best Apple watch so far and the best smartwatch you can buy today – if you have an iPhone, that is. It offers unparalleled user experience, excellent apps, almost complete design, and advanced health technology. Series 6 comes with a new oxygen reader (SpO2), which measures the level of oxygen in your blood. In addition, it has many other features with Apple Fitness Plus.


Display: 1.78-inch OLED
Detective: Apple S6
Connectivity: Wi-Fi, Bluetooth, NFC, LTE
Compatibility: iOS
Valley storage: 32GB
IP rating: Water resistance up to 50m
Battery life: Up to 18 hours
Price: Start from – ฿ 12,410 (GPS)


The Apple Watch Series 6 has a faster and brighter processor that is shown more often than its predecessor, the Apple Watch 5. Therefore, it has bumps on-water performance, trouble-free setup, and smooth haptics. With its clean software and seamless natural integration, you can enjoy a flawless feeling. You can manage your phone notifications, including calls, texts, and text messages, easily. Health monitoring features work surprisingly well, or tracking new sleep is disappointing compared to competitors from Samsung and Fitbit.

Price and resolution

With fast performance, bright display, and a variety of new features, the Apple Watch Series 6 has everything to always be the master of smartwatches. Besides, it has a nice design that is comfortable to wear, and the battery life is strong. An excellent watch for those with health concerns because, while not a medical tool, it can take normal ECGs and monitor your blood oxygen levels. These factors can be helpful if you have situations where those are problems.

Samsung Galaxy Watch 3

If you have an Android phone, the Samsung Galaxy Watch 3 is the best smartwatch that can be purchased right now. Works with iPhones, but features are very limited. It features an attractive style of watch and comes in two sizes, which help to attract more people. In addition, it offers a wide range of features and impressive battery life that can last for days.


Display: 1.2-inch or 1.4inch 360 x 360 Super AMOLED
Processor: Dual-core 1.15GHz
Connectivity: Wi-Fi, Bluetooth, LTE (additional)
Compatibility: Android, iOS
Internal storage: 8GB
Rating IP: IP68
Battery life: Up to 48 hours
Price: Start from – ฿ 12,900 (Wi-Fi)


While the Galaxy Watch 3 works on the same chipset that enabled the real Galaxy Watch, it still delivers excellent performance and loads apps faster. Samsung’s Tizen software still follows Apple’s watchOS, but that doesn’t mean you won’t have a satisfying experience. The software works with complete charm; it is responsive and accurate. Additionally, navigation in different menus and switching between apps is more reliable, sharper, and more fluid. The unique rotating bezel also allows you to physically rotate through on-screen menus, making navigation easier.

Price and resolution

With brilliant design and high-quality specs, the Samsung Galaxy Watch 3 is one of the most stylish and functional watches. In addition, it is packed with excellent health features, such as automatic exercise monitoring and the ability to take ECG readings, VO2 Max, and SpO2. It’s not as comfortable to wear as the Apple Watch, and its natural design isn’t that great by comparison. Still, good is worse than bad, and a watch will certainly not let you down.

FitBit Sense

If you’re looking for the best “health watch”, then it’s worth considering the Fitbit Sense. It can measure stress levels, monitor heart rate, monitor your sleep, skin temperature, and measure electrodermal performance, making it the best healthcare tracker you can buy today. The Fitbit Sense is really a high-end health smartwatch, but apart from the health features, it is also capable of making hands-free calls. Additionally, you can also Google Google and Amazon Alexa voice assistant from this watch.


Display: 1.58-inch 336 × 336
OS: Fitbit OS
Connectivity: Wi-Fi, Bluetooth, NFC
Compatibility: Android, iOS, Windows
Valley storage: N / A
Rating IP: Water
Battery life: Up to 6 days
Price: Start from – ฿ 10,990


Every feature of Fitbit Sense’s heath works impressively, from the ECG and EDA sensor to the skin temperature and the SpO2 sensor. It’s a great smartwatch for durability, too, thanks to its GPS and heart monitoring. In fact, its GPS is so responsive that the clock is among the most efficient watches you can buy today. As for other smartwatch features, it is not as strong as the Apple Watch 6 or Samsung Galaxy Watch Active 3. However, it covers all the bases surprisingly well. You can always answer calls when your phone is nearby, and you can listen to music through third-party apps such as Spotify and Deezer. Battery life is great, lasting up to 6 days.

Price and resolution

Fitbit Sense is a solid health watch, so we recommend it to those who want as much health data as possible. Heart rate monitoring and tracking sleep patterns are better than those of rivals. All in all, it can be like your body and your health. However, if you want a smartwatch that will allow you to control all your smart home devices and check your bank balances, Fitbit Sense is not for you.

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