Polar M400 vs. Casio G-Shock GBA800 vs. Motorola Moto 360 (1st Gen) vs. Pebble Time 2 vs. HTC re Grip

 
M400
G-Shock GBA800
Moto 360 (1st Gen)
Time 2
re Grip
 PolarM400Remove Buy NowCasioG-Shock GBA800Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowPebbleTime 2Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$120$150$199$199
Release20142018201420162020

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 years1 day10 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
MacNANANA
WindowsNANANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 260NA160 x 32
Sizen/a1.56 inchesNA1.8 inches
Touch
Typen/aLCDe-paperPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM20 ATMIP673 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearPebble OSNA
Apps
MusicNA

All Wearables