Polar M400 vs. Fitbit Flex 2 vs. Mobvoi TicWatch E vs. Jaybird Reign vs. Fitbit Inspire 3

 
M400
Flex 2
TicWatch E
Reign
Inspire 3
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowMobvoiTicWatch ERemove Buy NowJaybirdReignRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$200$100$159$150$100
Release20142016201720152022

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days1.5-2 days5 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 400NA32x18
Sizen/an/a1.4 inchesNA46 inches
Touchn/aNA
Typen/aLEDOLEDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP67NA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0NA
Apps
Music

All Wearables