Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Pebble Time 2 vs. Fitbit Charge 3 vs. HTC re Grip

 
Moto 360 (2nd Gen)
M400
Time 2
Charge 3
re Grip
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowPebbleTime 2Remove Buy NowFitbitCharge 3Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$300$200$199$150$199
Release20152014201620182020

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days10 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
Macn/aNANA
Windowsn/aNANot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/aNA66 x 18160 x 32
Size1.37 inches or 1.56 inchesn/aNA.721 inches1.8 inches
Touch
TypeLCDn/ae-paperOLEDPMOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM3 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aPebble OSNANA
Apps
Musicn/a

All Wearables