Polar M400 vs. Polar M600 vs. Withings Activite Sapphire vs. Fitbit Ionic vs. Mobvoi TicWatch C2

 
M400
M600
Activite Sapphire
Ionic
TicWatch C2
 PolarM400Remove Buy NowPolarM600Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitIonicRemove Buy NowMobvoiTicWatch C2Remove Buy Now

Basic Info

Suggested Price$200$330$450$299$200
Release20142016201420172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days8 months4+ days2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240n/a348x250360 x 360
Sizen/a1.3 inches1.3 inches1.421.3 inches
Touchn/a
Typen/aTFTAnalogOLEDAMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX85 ATM50mIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aFitbit OSWear OS
Apps
Music

All Wearables