Fitbit Flex 2 vs. Polar Loop 2 vs. Polar Loop vs. Apple Watch Series 4 vs. Mobvoi TicWatch S2

 
Flex 2
Loop 2
Loop
Watch Series 4
TicWatch S2
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowPolarLoopRemove Buy NowAppleWatch Series 4Remove Buy NowMobvoiTicWatch S2Remove Buy Now

Basic Info

Suggested Price$100$120$100$329$180
Release20162015201320182019

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)5 daysNot Yet2 DAYS
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNA384 x 480400 x 400
Sizen/an/aNA1.78 inches1.39 inches
Touchn/a
TypeLEDLEDLEDMicroLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM2 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWatch OS 5Wear OS
Apps
Music

All Wearables