Polar Loop 2 vs. Amazfit Stratos vs. MobVoi TicWatch Pro vs. Polar A370 vs. Garmin Vivosmart 4

 
Loop 2
Stratos
TicWatch Pro
A370
Vivosmart 4
 PolarLoop 2Remove Buy NowAmazfitStratosRemove Buy NowMobVoiTicWatch ProRemove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$120$199$300$179.95$130
Release20152018201820172018

Activity & Fitness

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

Battery

Duration8 days (without notifications)5 days30 daysUp to 3 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300400 x 400160 x 8048 x 128
Sizen/a1.34 inches1.4 inches1.18 inches0.74 inches
Touch
TypeLEDOLEDOLED/FSTNTFT LCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATMIP68WR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OS
Apps
Music

All Wearables