Polar M400 vs. Polar Loop 2 vs. Mobvoi TicWatch S vs. Fitbit Alta HR vs. Garmin Forerunner 45

 
M400
Loop 2
TicWatch S
Alta HR
Forerunner 45
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowMobvoiTicWatch SRemove Buy NowFitbitAlta HRRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$200$120$199$150$199
Release20142015201720172019

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)1.5-2 days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a400 x 400128 x 36208 x 208
Sizen/an/a1.4 inches1.4 inches1.04 inches
Touch
Typen/aLEDOLEDOLEDLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Built-in
Apps
Music

All Wearables