Polar Loop 2 vs. Amazfit Stratos vs. Garmin Vivosmart 3 vs. Jaybird Reign vs. Mobvoi TicWatch e2

 
Loop 2
Stratos
Vivosmart 3
Reign
TicWatch e2
 PolarLoop 2Remove Buy NowAmazfitStratosRemove Buy NowGarminVivosmart 3Remove Buy NowJaybirdReignRemove Buy NowMobvoiTicWatch e2Remove Buy Now

Basic Info

Suggested Price$120$199$139.99$150$200
Release20152018201720152019

Activity & Fitness

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

Battery

Duration8 days (without notifications)5 days5 days5 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 30064 x 128NA360 x 360
Sizen/a1.34 inchesNANA1.2 inches
TouchNA
TypeLEDOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM5 ATMNAIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNAWear OS
Apps
Music

All Wearables