Fitbit One vs. Fitbit Zip vs. Casio WSD-F20A vs. Fitbit Flex vs. Pebble Core

 
One
Zip
WSD-F20A
Flex
Core
 FitbitOneRemove Buy NowFitbitZipRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$100$60$399$100$99
Release20122012201820132016

Activity & Fitness

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

Battery

Duration10-14 days6 months1 day5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320NANA
Sizen/an/a1.32 inchesNANA
TouchNANA
TypeOLEDn/aLCDLEDNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantSplash Resistant5 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aWear OSNANA
Apps
Music

All Wearables