Polar M400 vs. Polar Loop 2 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Samsung Gear 2

 
M400
Loop 2
ZenWatch 3
Ionic
Gear 2
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowSamsungGear 2Remove Buy Now

Basic Info

Suggested Price$200$120$229$299$300
Release20142015201720172014

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)48 hours4+ days2-3 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a400 x 400348x250320 x 320
Sizen/an/a1.39 inches1.421.63 inches
Touch
Typen/aLEDAMOLEDOLEDSuper AMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM50mIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Fitbit OSTizen OS
Apps
Music

All Wearables