Motorola Moto 360 (2nd Gen) vs. Pebble Time Steel vs. Polar M400 vs. Fitbit Ionic vs. Garmin Vivosmart 4

 
Moto 360 (2nd Gen)
Time Steel
M400
Ionic
Vivosmart 4
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPebbleTime SteelRemove Buy NowPolarM400Remove Buy NowFitbitIonicRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$300$250$200$299$130
Release20152015201420172018

Activity & Fitness

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

Battery

Duration1.5 days10 days8 hours to 30 days4+ days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330168 x 144n/a348x25048 x 128
Size1.37 inches or 1.56 inches1.26 inchesn/a1.420.74 inches
Touch
TypeLCDe-papern/aOLEDOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM3 ATM50m5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearPebble OSn/aFitbit OS
Apps
Musicn/a

All Wearables