Fitbit Flex 2 vs. Fitbit Zip vs. Fitbit Ionic vs. Casio WSD-F20A vs. Fitbit Flex

 
Flex 2
Zip
Ionic
WSD-F20A
Flex
 FitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$100$60$299$399$100
Release20162012201720182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months4+ days1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a348x250320 x 320NA
Sizen/an/a1.421.32 inchesNA
Touchn/aNA
TypeLEDn/aOLEDLCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash Resistant50m5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSWear OSNA
Apps
Music

All Wearables