Polar Loop 2 vs. Withings Pulse Ox vs. Fitbit Versa vs. Fitbit Flex vs. Pebble Core

 
Loop 2
Pulse Ox
Versa
Flex
Core
 PolarLoop 2Remove Buy NowWithingsPulse OxRemove Buy NowFitbitVersaRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$120$120$199.99$100$99
Release20152014201820132016

Activity & Fitness

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

Battery

Duration8 days (without notifications)2 weeks4 days5 daysNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorblue
Resolutionn/a128 x 32300 x300NANA
Sizen/an/a1.34 inchesNANA
TouchSwipeNANA
TypeLEDOLEDOLEDLEDNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aNANA
Apps
Music

All Wearables