Polar M400 vs. Fitbit Flex 2 vs. Moov Now vs. Mobvoi TicWatch e2 vs. Apple SE

 
M400
Flex 2
Now
TicWatch e2
SE
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowMoovNowRemove Buy NowMobvoiTicWatch e2Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$200$100$79$200$279
Release20142016201520192020

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days6 months1 day18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a360 x 360384 x 480
Sizen/an/an/a1.2 inches40mm
Touchn/an/a
Typen/aLEDn/aAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet SensorNot yet
Water Resistance3 ATM5 ATMn/aIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWear OSWatchOS 5
Apps
Music

All Wearables