Polar Loop 2 vs. Amazfit Cor vs. Pebble Time 2 vs. Fitbit Alta HR vs. Pebble Core

 
Loop 2
Cor
Time 2
Alta HR
Core
 PolarLoop 2Remove Buy NowAmazfitCorRemove Buy NowPebbleTime 2Remove Buy NowFitbitAlta HRRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$120$79.99$199$150$99
Release20152018201620172016

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heartn/a
Oxygen
SleepNA
Steps
Swim

Battery

Duration8 days (without notifications)12 days10 days7 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a80 x 160NA128 x 36NA
Sizen/a1.23 inchesNA1.4 inchesNA
TouchNA
TypeLEDIPS LCDe-paperOLEDNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM3 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aPebble OSNA
Apps
Music

All Wearables