Motorola Moto 360 (2nd Gen) vs. Pebble Time Steel vs. Polar M400 vs. TomTom Spark vs. Withings Go

 
Moto 360 (2nd Gen)
Time Steel
M400
Spark
Go
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPebbleTime SteelRemove Buy NowPolarM400Remove Buy NowTomTomSparkRemove Buy NowWithingsGoRemove Buy Now

Basic Info

Suggested Price$300$250$200$150$80
Release20152015201420152016

Activity & Fitness

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

Battery

Duration1.5 days10 days8 hours to 30 daysn/a8 months
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/an/an/an/a
Macn/an/an/a
Windowsn/an/an/a

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolution360 x 325 or 360 x 330168 x 144n/an/an/a
Size1.37 inches or 1.56 inches1.26 inchesn/an/an/a
Touchn/a
TypeLCDe-papern/aLCDE-Ink

Functions

Audio SpeakerBluetoothAlerts onlyBluetooth
Clock
Phonen/an/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM3 ATM5 ATM5 ATM

Notifications

Phonen/an/a
Emailsn/an/a
Textsn/an/a

Software

Operating SystemAndroid WearPebble OSn/an/an/a
Appsn/a
Musicn/a

All Wearables