Fitbit Flex 2 vs. Apple Watch vs. Pebble Core vs. Garmin Forerunner 45 vs. HTC re Grip

 
Flex 2
Watch
Core
Forerunner 45
re Grip
 FitbitFlex 2Remove Buy NowAppleWatchRemove Buy NowPebbleCoreRemove Buy NowGarminForerunner 45Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$349$99$199$199
Release20162015201620192020

Activity & Fitness

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

Battery

Duration5 days18 hoursNA7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANANA
MacNANANA
WindowsNANANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312NA208 x 208160 x 32
Sizen/a1.5 inches or 1.65 inchesNA1.04 inches1.8 inches
Touchn/aNA
TypeLEDAMOLEDNALCDPMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX7NA5 ATMIP57

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aWatch OSNABuilt-inNA
Apps
Music

All Wearables