Polar M400 vs. Fitbit Alta vs. ASUS ZenWatch 3 vs. Casio G-Shock GBA800 vs. Pebble Time 2

 
M400
Alta
ZenWatch 3
G-Shock GBA800
Time 2
 PolarM400Remove Buy NowFitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowCasioG-Shock GBA800Remove Buy NowPebbleTime 2Remove Buy Now

Basic Info

Suggested Price$200$130$229$120$199
Release20142016201720182016

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days48 hours2 years10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a400 x 400NA
Sizen/an/a1.39 inchesNA
Touchn/a
Typen/aOLEDAMOLEDe-paper

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/a20 ATM3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2Pebble OS
Apps
Music

All Wearables