Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Amazfit Pace vs. Casio WSD-F20A vs. Polar Loop

 
Flex 2
ZenWatch 3
Pace
WSD-F20A
Loop
 FitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitPaceRemove Buy NowCasioWSD-F20ARemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$229$130$399$100
Release20162017201720182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours5 days1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400320 x 300320 x 320NA
Sizen/a1.39 inches1.34 inches1.32 inchesNA
Touchn/a
TypeLEDAMOLEDTFT LCDLCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2ProprietaryWear OSNA
Apps
Music

All Wearables