ASUS ZenWatch 2 vs. Polar M400 vs. Pebble Time 2 vs. Fitbit Charge 3 vs. HTC re Grip

 
ZenWatch 2
M400
Time 2
Charge 3
re Grip
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowPebbleTime 2Remove Buy NowFitbitCharge 3Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$200$199$150$199
Release20162014201620182020

Activity & Fitness

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

Battery

Durationn/a8 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
Resolution320 x 320n/aNA66 x 18160 x 32
Size1.63 inches or 1.45 inchn/aNA.721 inches1.8 inches
Touch
TypeAMOLEDn/ae-paperOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM3 ATM5 ATMIP57

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aPebble OSNANA
Apps
Music

All Wearables