Fitbit Flex vs. Mobvoi TicWatch E vs. Nokia (Withings) Steel HR vs. Polar A370 vs. Polar Loop 2 vs. Polar M400 vs. Polar M430 vs. Samsung Gear 2 - Instant Comparison

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Fitbit Flex

Mobvoi TicWatch E

Nokia (Withings) Steel HR

Polar A370

Polar Loop 2

Polar M400

Polar M430

Samsung Gear 2

	Fitbit Flex Check Amazon	Mobvoi TicWatch E Check Amazon	Nokia (Withings) Steel HR Check Amazon	Polar A370 Check Amazon	Polar Loop 2 Check Amazon	Polar M400 Check Amazon	Polar M430 Check Amazon	Samsung Gear 2 Check Amazon
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Price and Release Date
Suggested Price	$100	$159	$180	$179.95	$120	$200	$255	$300
Release / Update	2013	2017	2016	2017	2015	2014	2017	2014
Activity & Fitness
Calories
Distance
Heart					$
VO2max (Oxygen)
Sleep
Steps
Stress mgt
Female health
Skin temp
Breath rate
Battery
Duration	5 days	1.5-2 Days	25 days	Up to 3 days	8 days (without notifications)	8 hours	30 hours	2–3 days
Rechargeable

Compatibility Support
Android
iOS
Windows Phone
Mac			n/a		n/a			n/a
Windows			n/a		n/a			n/a
Connectivity Support
Bluetooth
Cellular
GPS
NFC
Wi-Fi
Display
Color
Resolution	n/a	400 x 400		160 x 80		128x128	128x128	320 x 320
Size	n/a	1.4 inches		1.18 inches			1.4 inch	1.63 inches
Touch	n/a
Type	LED	OLED		TFT LCD	LED	LCD	LCD	Super AMOLED
Functions
Audio Speaker						Alerts only		Bluetooth
Clock
Phone
Vibration
Voice
Hardware
Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance	1 ATM	IP67	5 ATM	WR30	2 ATM	3 ATM	WR30	IP67
Notifications
Phone
Emails
Texts
Software
Operating System	n/a	Android Wear 2.0	n/a		n/a			Tizen OS
Apps
Music
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