Polar M400 vs. Mobvoi TicWatch E vs. Fitbit Alta HR vs. Fitbit Versa 2 vs. Apple SE

 
M400
TicWatch E
Alta HR
Versa 2
SE
 PolarM400Remove Buy NowMobvoiTicWatch ERemove Buy NowFitbitAlta HRRemove Buy NowFitbitVersa 2Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$200$159$150$199$279
Release20142017201720192020

Activity & Fitness

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

Battery

Duration8 hours to 30 days1.5-2 days7 days5 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400128 x 36300 x 300384 x 480
Sizen/a1.4 inches1.4 inches1.34 inches40mm
Touch
Typen/aOLEDOLEDAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance3 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0Build-inWatchOS 5
Apps
Music

All Wearables