Fitbit Flex 2 vs. Polar Loop 2 vs. Jawbone UP4 vs. Polar Loop vs. Apple Watch 8

 
Flex 2
Loop 2
UP4
Loop
Watch 8
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowJawboneUP4Remove Buy NowPolarLoopRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$100$120$200$100$499
Release20162015201520132022

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)NA5 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNANA340 x 272 or 390 x 312
Sizen/an/aNANA1.5 inches or 1.65 inches
Touchn/aNA
TypeLEDLEDNALEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATMNA2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNANAWatchOS 9
Apps
MusicNA

All Wearables