Fossil Q Grant vs. Casio WSD-F20A vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Polar Loop

 
Q Grant
WSD-F20A
Flex
Vivofit 4
Loop
 FossilQ GrantRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$175$399$100$79.95$100
Release20152018201320182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days1 day5 days1 year5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320NA88 x 88NA
Sizen/a1.32 inchesNANANA
Touchn/aNA
Typen/aLCDLEDNALED

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATM5 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNANA
Apps
Music

All Wearables