Fitbit Flex 2 vs. Casio WSD-F20A vs. Fitbit Flex vs. Huawei Band 2 vs. Amazfit GTR

 
Flex 2
WSD-F20A
Flex
Band 2
GTR
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowHuaweiBand 2Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$399$100$69.99$199
Release20162018201320172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day5 days21 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320NA128 x 32454 x 454
Sizen/a1.32 inchesNA0.91 inches1.39 inches
Touchn/aNA
TypeLEDLCDLEDPMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNABuild-in
Apps
Music

All Wearables