Motorola Moto 360 (2nd Gen) vs. Olio Model One vs. Polar M400 vs. Garmin Vivofit 4 vs. Polar Loop

 
Moto 360 (2nd Gen)
Model One
M400
Vivofit 4
Loop
 MotorolaMoto 360 (2nd Gen)Remove Buy NowOlioModel OneRemove Buy NowPolarM400Remove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$300$595$200$79.95$100
Release20152015201420182013

Activity & Fitness

Caloriesn/a
Cycling (Bicycling)n/a
Distancen/a
Heartn/an/a
Oxygenn/a
Sleepn/a
Stepsn/a
Swimn/a

Battery

Duration1.5 days2 days8 hours to 30 days1 year5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPSn/a
NFCn/a
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/an/a88 x 88NA
Size1.37 inches or 1.56 inchesn/an/aNANA
Touch
TypeLCDn/an/aNALED

Functions

Audio SpeakerBluetoothn/aAlerts only
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometern/a
Barometer or Altimetern/a
Ultraviolet Sensor
Water ResistanceIP675 ATM3 ATM5 ATM2 ATM

Notifications

Phonen/a
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aNA
Appsn/a
Musicn/a

All Wearables