Polar M400 vs. Fitbit Flex 2 vs. Mobvoi TicWatch 2 vs. Amazfit Cor vs. Jawbone UP4

 
M400
Flex 2
TicWatch 2
Cor
UP4
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowMobvoiTicWatch 2Remove Buy NowAmazfitCorRemove Buy NowJawboneUP4Remove Buy Now

Basic Info

Suggested Price$200$100$199$79.99$200
Release20142016201720182015

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days1.5-2 Days12 daysNA
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 40080 x 160NA
Sizen/an/a1.4 inches1.23 inchesNA
Touchn/aNA
Typen/aLEDOLEDIPS LCDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP655 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTicwear OSNA
Apps
MusicNA

All Wearables