Polar Loop 2 vs. Amazfit Arc vs. Fitbit Flex vs. Pebble Core vs. Fitbit Sense 2

 
Loop 2
Arc
Flex
Core
Sense 2
 PolarLoop 2Remove Buy NowAmazfitArcRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$120$69.99$100$99$300
Release20152016201320162022

Activity & Fitness

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

Battery

Duration8 days (without notifications)20 days5 daysNA6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x40NANA336x336
Sizen/a0.42 inchesNANA1.59 inches
TouchNANA
TypeLEDOLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP671 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNANA
Apps
Music

All Wearables