Fitbit Flex 2 vs. Casio WSD-F20A vs. Fitbit Charge vs. Huawei Band 2 vs. HTC re Grip

 
Flex 2
WSD-F20A
Charge
Band 2
re Grip
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowHuaweiBand 2Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$399$130$69.99$199
Release20162018201420172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7-10 days21 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320NA128 x 32160 x 32
Sizen/a1.32 inchesNA0.91 inches1.8 inches
Touchn/aNA
TypeLEDLCDOLEDPMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNANA
Apps
Music

All Wearables