Fitbit Flex 2 vs. Samsung Gear 2 vs. Pebble Core vs. Polar A370 vs. Garmin Vivosmart 4

 
Flex 2
Gear 2
Core
A370
Vivosmart 4
 FitbitFlex 2Remove Buy NowSamsungGear 2Remove Buy NowPebbleCoreRemove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$300$99$179.95$130
Release20162014201620172018

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
StepsNA
Swim

Battery

Duration5 days2-3 daysNAUp to 3 days7 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320NA160 x 8048 x 128
Sizen/a1.63 inchesNA1.18 inches0.74 inches
Touchn/aNA
TypeLEDSuper AMOLEDNATFT LCDOLED

Functions

Audio SpeakerBluetooth
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP67NAWR305 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aTizen OSNA
Apps
Music

All Wearables