Pebble Steel vs. Fitbit Charge 2 vs. Amazfit Cor vs. Fitbit Alta HR vs. Fitbit Flex

 
Steel
Charge 2
Cor
Alta HR
Flex
 PebbleSteelRemove Buy NowFitbitCharge 2Remove Buy NowAmazfitCorRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$150$150$79.99$150$100
Release20142016201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days5 days12 days7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a80 x 160128 x 36NA
Size1.26 inchesn/a1.23 inches1.4 inchesNA
Touchn/aNA
Typee-paperOLEDIPS LCDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aNA
Apps
Music

All Wearables