Fitbit Flex 2 vs. LG Watch Style vs. Fitbit Alta HR vs. Polar A370 vs. Amazfit GTR

 
Flex 2
Watch Style
Alta HR
A370
GTR
 FitbitFlex 2Remove Buy NowLGWatch StyleRemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$249$150$179.95$199
Release20162017201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 daysUp to 3 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a360 x 360128 x 36160 x 80454 x 454
Sizen/a1.2 inches1.4 inches1.18 inches1.39 inches
Touchn/a
TypeLEDP-OLEDOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP67WR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Build-in
Apps
Music

All Wearables