Fitbit Charge 2 vs. Fitbit Flex 2 vs. Apple Watch Series 2 vs. Pebble Core vs. Polar A370

 
Charge 2
Flex 2
Watch Series 2
Core
A370
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowPebbleCoreRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$150$100$269$99$179.95
Release20162016201620162017

Activity & Fitness

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

Battery

Duration5 days5 days18 hoursNAUp to 3 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a340 x 272 or 390 x 312NA160 x 80
Sizen/an/a1.5 inches or 1.65 inchesNA1.18 inches
Touchn/an/aNA
TypeOLEDLEDAMOLEDNATFT LCD

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5ATMNAWR30

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aWatch OSNA
Apps
Music

All Wearables