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

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

Basic Info

Suggested Price$130$100$99$100$429
Release20142013201620132021

Activity & Fitness

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

Battery

Duration7-10 days5 daysNA5 days18 Hours
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNANANANA396 x 484
SizeNANANANA1.9 inches
TouchNANANA
TypeOLEDLEDNALEDMicroLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM1 ATMNA2 ATMwater resistant but not waterproof

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemNANANANAWatchOS 8
Apps
Music

All Wearables