Polar Loop 2 vs. Fitbit Ionic vs. Garmin Chronos vs. Garmin Vivosmart 3 vs. Amazfit GTS

 
Loop 2
Ionic
Chronos
Vivosmart 3
GTS
 PolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowGarminChronosRemove Buy NowGarminVivosmart 3Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$120$299$1500$139.99$150
Release20152017201820172019

Activity & Fitness

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

Battery

Duration8 days (without notifications)4+ days8 days5 days14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250218 x 21864 x 128348 x 442
Sizen/a1.421.2 inchesNA1.65 inches
Touch
TypeLEDOLEDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM50m10 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSWear OS
Apps
Music

All Wearables