Fitbit Alta vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Fitbit Charge vs. Huawei Band 2

 
Alta
Flex 2
WSD-F20A
Charge
Band 2
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$130$100$399$130$69.99
Release20162016201820142017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 day7-10 days21 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320NA128 x 32
Sizen/an/a1.32 inchesNA0.91 inches
Touchn/an/aNA
TypeOLEDLEDLCDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWear OSNA
Apps
Music

All Wearables