Fitbit Charge 2 vs. Fitbit Flex vs. Pebble Core vs. Polar Loop vs. Apple Watch 7

 
Charge 2
Flex
Core
Loop
Watch 7
 FitbitCharge 2Remove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$100$99$100$429
Release20162013201620132021

Activity & Fitness

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

Battery

Duration5 days5 daysNA5 days18 Hours
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNANANA396 x 484
Sizen/aNANANA1.9 inches
Touchn/aNANA
TypeOLEDLEDNALEDMicroLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a1 ATMNA2 ATMwater resistant but not waterproof

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNANANAWatchOS 8
Apps
Music

All Wearables