Fitbit Surge vs. Casio WSD-F20A vs. Fitbit Charge vs. Fitbit Flex vs. Pebble Core

 
Surge
WSD-F20A
Charge
Flex
Core
 FitbitSurgeRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$250$399$130$100$99
Release20162018201420132016

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration7 days1 day7-10 days5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320NANANA
Size1.26 inches1.32 inchesNANANA
TouchNANANA
TypeMonochrome LCDLCDOLEDLEDNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aWear OSNANANA
Apps
Music

All Wearables