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

 
Charge 2
Zip
WSD-F20A
Flex
re Grip
 FitbitCharge 2Remove Buy NowFitbitZipRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$60$399$100$199
Release20162012201820132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months1 day5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320NA160 x 32
Sizen/an/a1.32 inchesNA1.8 inches
Touchn/aNA
TypeOLEDn/aLCDLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplash Resistant5 ATM1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSNANA
Apps
Music

All Wearables