Fitbit Surge vs. Fitbit Alta vs. Casio WSD-F20A vs. Michael Kors Access Sofie HR vs. Mobvoi TicWatch S2

 
Surge
Alta
WSD-F20A
Access Sofie HR
TicWatch S2
 FitbitSurgeRemove Buy NowFitbitAltaRemove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMobvoiTicWatch S2Remove Buy Now

Basic Info

Suggested Price$250$130$399$395$180
Release20162016201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days1 day2 days2 DAYS
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320390 x 390400 x 400
Size1.26 inchesn/a1.32 inches1.19 inches1.39 inches
Touchn/a
TypeMonochrome LCDOLEDLCDOMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM0.3 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWear OSWear OSWear OS
Apps
Music

All Wearables