Polar M400 vs. Pebble Time 2 vs. Fitbit Charge 3 vs. Garmin Vivosmart 3 vs. HTC re Grip

 
M400
Time 2
Charge 3
Vivosmart 3
re Grip
 PolarM400Remove Buy NowPebbleTime 2Remove Buy NowFitbitCharge 3Remove Buy NowGarminVivosmart 3Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$199$150$139.99$199
Release20142016201820172020

Activity & Fitness

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

Battery

Duration8 hours to 30 days10 days7 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/aNA66 x 1864 x 128160 x 32
Sizen/aNA.721 inchesNA1.8 inches
Touch
Typen/ae-paperOLEDOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aPebble OSNANA
Apps
Music

All Wearables