Fitbit Surge vs. Misfit Flash Link vs. Casio WSD-F20A vs. Polar A370 vs. Apple Series 6

 
Surge
Flash Link
WSD-F20A
A370
Series 6
 FitbitSurgeRemove Buy NowMisfitFlash LinkRemove Buy NowCasioWSD-F20ARemove Buy NowPolarA370Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$250$20$399$179.95$399
Release20162015201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days6 months1 dayUp to 3 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320160 x 80384 x 480
Size1.26 inchesn/a1.32 inches1.18 inches40mm
Touchn/a
TypeMonochrome LCDn/aLCDTFT LCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM3 ATM5 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSWatchOS 5
Apps
Music

All Wearables