Fitbit Surge vs. Fitbit Zip vs. Casio WSD-F20A vs. Fitbit Flex vs. Apple Series 6

 
Surge
Zip
WSD-F20A
Flex
Series 6
 FitbitSurgeRemove Buy NowFitbitZipRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$250$60$399$100$399
Release20162012201820132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days6 months1 day5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320NA384 x 480
Size1.26 inchesn/a1.32 inchesNA40mm
TouchNA
TypeMonochrome LCDn/aLCDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMSplash Resistant5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSNAWatchOS 5
Apps
Music

All Wearables