Fitbit Flex 2 vs. Fitbit One vs. Casio WSD-F20A vs. Sony SmartBand

 
Flex 2
One
WSD-F20A
SmartBand
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowCasioWSD-F20ARemove Buy NowSonySmartBandRemove Buy Now

Basic Info

Suggested Price$100$100$399$100
Release2016201220182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/an/a320 x 320NA
Sizen/an/a1.32 inchesNA
Touchn/aNA
TypeLEDOLEDLCDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant5 ATMIP58

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSNA
Apps
Music

All Wearables