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

 
2
Flex 2
Cor
Alta HR
Charge
 Pebble2Remove Buy NowFitbitFlex 2Remove Buy NowAmazfitCorRemove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$129$100$79.99$150$130
Release20162016201820172014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days12 days7 days7-10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a80 x 160128 x 36NA
Sizen/an/a1.23 inches1.4 inchesNA
Touchn/aNA
Typee-paperLEDIPS LCDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aNA
Apps
Music

All Wearables