Polar M400 vs. Fitbit Versa vs. Mobvoi TicWatch E vs. Fitbit Alta HR vs. Apple Series 6

 
M400
Versa
TicWatch E
Alta HR
Series 6
 PolarM400Remove Buy NowFitbitVersaRemove Buy NowMobvoiTicWatch ERemove Buy NowFitbitAlta HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$199.99$159$150$399
Release20142018201720172020

Activity & Fitness

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

Battery

Duration8 hours to 30 days4 days1.5-2 days7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a300 x300400 x 400128 x 36384 x 480
Sizen/a1.34 inches1.4 inches1.4 inches40mm
Touch
Typen/aOLEDOLEDOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance3 ATM5 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0WatchOS 5
Apps
Music

All Wearables