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

 
Zip
Ionic
WSD-F20A
Flex
re Grip
 FitbitZipRemove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$60$299$399$100$199
Release20122017201820132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months4+ days1 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/a348x250320 x 320NA160 x 32
Sizen/a1.421.32 inchesNA1.8 inches
TouchNA
Typen/aOLEDLCDLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash Resistant50m5 ATM1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSNANA
Apps
Music

All Wearables