Fitbit Flex 2 vs. Casio WSD-F20A vs. Fitbit Flex vs. Polar Loop vs. Garmin Forerunner 45

 
Flex 2
WSD-F20A
Flex
Loop
Forerunner 45
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$100$399$100$100$199
Release20162018201320132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day5 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320NANA208 x 208
Sizen/a1.32 inchesNANA1.04 inches
Touchn/aNA
TypeLEDLCDLEDLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNANABuilt-in
Apps
Music

All Wearables