Fitbit Flex 2 vs. Casio WSD-F20A vs. Polar A370 vs. Polar Loop vs. Mobvoi TicWatch S2

 
Flex 2
WSD-F20A
A370
Loop
TicWatch S2
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy NowMobvoiTicWatch S2Remove Buy Now

Basic Info

Suggested Price$100$399$179.95$100$180
Release20162018201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 dayUp to 3 days5 days2 DAYS
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320160 x 80NA400 x 400
Sizen/a1.32 inches1.18 inchesNA1.39 inches
Touchn/a
TypeLEDLCDTFT LCDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMWR302 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWear OS
Apps
Music

All Wearables