Polar Loop 2 vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Pebble Core vs. Garmin Instinct

 
Loop 2
Flex
Vivofit 4
Core
Instinct
 PolarLoop 2Remove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowPebbleCoreRemove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$120$100$79.95$99$300
Release20152013201820162018

Activity & Fitness

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

Battery

Duration8 days (without notifications)5 days1 yearNA14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA88 x 88NA128 x 128
Sizen/aNANANA0.9 inches
TouchNANA
TypeLEDLEDNANAOMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM1 ATM5 ATMNA10 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNANA
Apps
Music

All Wearables