Polar M600 vs. Polar Loop 2 vs. Mobvoi TicWatch S vs. Fitbit Alta HR vs. Garmin Vivosmart 4

 
M600
Loop 2
TicWatch S
Alta HR
Vivosmart 4
 PolarM600Remove Buy NowPolarLoop 2Remove Buy NowMobvoiTicWatch SRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$330$120$199$150$130
Release20162015201720172018

Activity & Fitness

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

Battery

Duration2 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
Resolution240 x 240n/a400 x 400128 x 3648 x 128
Size1.3 inchesn/a1.4 inches1.4 inches0.74 inches
Touchn/a
TypeTFTLEDOLEDOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX82 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid Wear 2.0
Apps
Music

All Wearables