Fitbit Flex vs. Pebble Core vs. Polar Loop vs. Fitbit Versa 2 vs. Fitbit Sense 2

 
Flex
Core
Loop
Versa 2
Sense 2
 FitbitFlexRemove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy NowFitbitVersa 2Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$100$99$100$199$300
Release20132016201320192022

Activity & Fitness

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

Battery

Duration5 daysNA5 days5 days6 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNANANA300 x 300336x336
SizeNANANA1.34 inches1.59 inches
TouchNANA
TypeLEDNALEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMNA2 ATM5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemNANANABuild-in
Apps
Music

All Wearables