Fitbit Flex 2 vs. Fitbit One vs. Casio WSD-F20A vs. Pebble Core vs. HTC re Grip

 
Flex 2
One
WSD-F20A
Core
re Grip
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowCasioWSD-F20ARemove Buy NowPebbleCoreRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$100$399$99$199
Release20162012201820162020

Activity & Fitness

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

Battery

Duration5 days10-14 days1 dayNA5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320NA160 x 32
Sizen/an/a1.32 inchesNA1.8 inches
Touchn/aNA
TypeLEDOLEDLCDNAPMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant5 ATMNAIP57

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aWear OSNANA
Apps
Music

All Wearables