Fitbit Alta HR vs. Polar A370 vs. Mobvoi TicWatch S2 vs. Garmin Vivosmart 4 vs. Amazfit GTS

 
Alta HR
A370
TicWatch S2
Vivosmart 4
GTS
 FitbitAlta HRRemove Buy NowPolarA370Remove Buy NowMobvoiTicWatch S2Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$150$179.95$180$130$150
Release20172017201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 daysUp to 3 days2 DAYS7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 36160 x 80400 x 40048 x 128348 x 442
Size1.4 inches1.18 inches1.39 inches0.74 inches1.65 inches
Touch
TypeOLEDTFT LCDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWear OS
Apps
Music

All Wearables