Fitbit Blaze vs. Polar Loop 2 vs. Apple Watch Series 2 vs. Casio WSD-F20A vs. Fitbit Flex

 
Blaze
Loop 2
Watch Series 2
WSD-F20A
Flex
 FitbitBlazeRemove Buy NowPolarLoop 2Remove Buy NowAppleWatch Series 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$120$269$399$100
Release20162015201620182013

Activity & Fitness

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

Battery

Duration5 Days8 days (without notifications)18 hours1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialn/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312320 x 320NA
Sizen/an/a1.5 inches or 1.65 inches1.32 inchesNA
TouchNA
TypeLCDLEDAMOLEDLCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a2 ATM5ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSWear OSNA
Apps
Music

All Wearables