Fitbit Charge is a wristband for active people, also acting as a smart watch. Through its many sensors, it analyzes your daily activity and notifies you regarding the achievement of its objectives. Thanks to the sensors, numerous applications and compatibility with multiple devices it is one of the most versatile devices. Its price is around $125. Read More
Polar offers, in addition to heartrate monitors and smartwatches, typical training features have also Polar Loop wristband that allows you to Convenience measurement of your daily activities 24 hours a day, 7 days a week. Read More
Small 5.5” - 6.5”
Large 6.5” - 7.7”
Extra Large 7.7” - 8.9”
5.7" - 9.4"
wristband is made of flexible, durable elastomer material & surgical-grade stainless steel clasp
Polyurethane, ABS + electro plating, PA GF,
85 LED lights in 5 x 17 matrix
up to 7 - 10 days
Battery life: up to 6 days
-4° to 113°F
32° to 122°F
Maximum operating altitude:
It is sweat, rain and splash proof. However, the device is not swim proof.
Surface swimming, shallow snorkeling and similar activities.
"Fitbit Charge comes with a clear monochrome OLED display where we can in addition to showing time and typical fitness function read the notifications of our smartphone.
The device comes only in four colors. Applied rechargeable battery allows for 7 to 10 days of work, which is a very good result in this class. Unfortunately, despite the basic water resistance, the device will not be wearable while swimming.
Read Full Specs
Polar Loop is equipped with 85 LED lights in 5 x 17 matrix that informs about the various functions of the device and about your activity. Loop is only available in three colors. Applied rechargeable battery allows for six days of work, which is a good result for this class of devices. This device allows swimming and diving up to 20 meters. Read Full Specs
2a. Tracking Features
Activity & Inactivity
Fitbit charge sensor is equipped with a typical counting steps, distance travelled, calories burned, and track daily activity. This device allows setting your own goals and achievements and shows the status of their implementation. Fitbit charge measures the quality of your sleep and has a mild vibrating alarm that wakes you without waking your partner.
Polar Loop has the typical sensors for counting steps, distance traveled, calories burned, and track daily activity. This device allows setting your own goals and achievements and shows the status of their implementation. Measures the quality of your sleep as well. After purchasing, an additional sensor such as HR. Polar H6, or H7 will fill our hearts employment information during our training.
2b. Other Features
Extra non standard
Add heart rate to your workout with the H7 sensor
Sync Polar Loop with an H7 Bluetooth Smart heart rate sensor for accurate heart rate while working out. Get credit for calories burned during activities where you arms are stationary such as indoor cycling.
Fitbit Charge also functions as watch. With the barcode scanner and extensive food database, the device quickly enters data that will help calculate calories consumed.
Polar Loop also features a watch.
3. Synchronization & Compatibility
iPhone 4S and later
iPad 3 and later
iOS 6 and newer
iPhone 4S and iPhone 5 series and iPod touch (5th gen. or newer)
Android 4.3 and later
Windows Phone Compatibility
Mac OS X 10.6 and up
Mac OS X Compatibility
Mac OS X 10.6 and up
Windows Vista and later
Windows XP, Windows 7, Windows 8 and later
My Fitness Pal
Polar Flow app
You can watch progress in your training on your computer or smartphone. Charge is compatible with iOS, Windows Phone, Mac OS X, Windows, and Android. Through numerous applications, you can share your results with friends, which certainly will further motivate you to continue the effort. Available trap allows you to keep a detailed record of your activity, of meals, quality of sleep and many others. Additionally, in collaboration with a compatible smart weight Fitbit Aria Wi-Fi Scale you will have at your disposal a full picture of the state of your body and have achieved designated purposes.
Polar Flow app records detailed and advanced analysis of your day's activity, time, and quality of sleep. On the basis of the data sent training, you can analyze your activity and plan future training sessions.
4. The Bottom Line
• Good support for users on the part of Fitbit
• Compatible with multiple systems and devices
• Work with HR sensor available in the extended package
• Too small display
• Inability to swim with the device
• No belt replacement.
• Short battery life
• Short battery life