Polar Loop 2 vs. Withings Go vs. Fitbit Flex vs. Pebble Core vs. Apple Watch Ultra

 
Loop 2
Go
Flex
Core
Watch Ultra
 PolarLoop 2Remove Buy NowWithingsGoRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$120$80$100$99$799
Release20152016201320162022

Activity & Fitness

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

Battery

Duration8 days (without notifications)8 months5 daysNA36 hrs
Rechargeable

Compatibility

Androidn/a
iOSn/aNA
Windows Phonen/an/aNANA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNANA502x410 pixels
Sizen/an/aNANA1.92 inches
Touchn/aNANA
TypeLEDE-InkLEDNA

Functions

Audio Speaker
ClockLTPO OLED Retina
Phonen/aNA
Vibrationn/aNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM1 ATMNA10 ATM (100 Meters)

Notifications

Phonen/aNA
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/an/aNANAWatchOS 9
Appsn/a
Music

All Wearables