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

 
Flex 2
One
Loop 2
Core
Watch 7
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowPolarLoop 2Remove Buy NowPebbleCoreRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$100$120$99$429
Release20162012201520162021

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heartn/a
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days10-14 days8 days (without notifications)NA18 Hours
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/aNA396 x 484
Sizen/an/an/aNA1.9 inches
Touchn/aNA
TypeLEDOLEDLEDNAMicroLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant2 ATMNAwater resistant but not waterproof

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/an/aNAWatchOS 8
Apps
Music

All Wearables