Polar M400 vs. Casio G-Shock GBA800 vs. Pebble Time 2 vs. Mobvoi TicWatch E vs. Jaybird Reign

 
M400
G-Shock GBA800
Time 2
TicWatch E
Reign
 PolarM400Remove Buy NowCasioG-Shock GBA800Remove Buy NowPebbleTime 2Remove Buy NowMobvoiTicWatch ERemove Buy NowJaybirdReignRemove Buy Now

Basic Info

Suggested Price$200$120$199$159$150
Release20142018201620172015

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 years10 days1.5-2 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA400 x 400NA
Sizen/aNA1.4 inchesNA
TouchNA
Typen/ae-paperOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM20 ATM3 ATMIP67NA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aPebble OSAndroid Wear 2.0NA
Apps
Music

All Wearables