Fitbit Flex 2 vs. Polar Loop 2 vs. Sony SmartBand 2 vs. Fitbit Charge HR vs. Apple Watch 8

 
Flex 2
Loop 2
SmartBand 2
Charge HR
Watch 8
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowSonySmartBand 2Remove Buy NowFitbitCharge HRRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$100$120$130$150$499
Release20162015201520152022

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)2 days5 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNA
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/aNA340 x 272 or 390 x 312
Sizen/an/an/aNA1.5 inches or 1.65 inches
Touchn/an/aNA
TypeLEDLEDn/aOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATMIP581 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNAWatchOS 9
Apps
Music

All Wearables