Apple Watch Series 3 vs. Garmin Vivosmart vs. Fitbit Ionic vs. Amazfit Stratos vs. Fitbit Charge HR

 
Watch Series 3
Vivosmart
Ionic
Stratos
Charge HR
 AppleWatch Series 3Remove Buy NowGarminVivosmartRemove Buy NowFitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$329$170$299$199$150
Release20172014201720182015

Activity & Fitness

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

Battery

Duration18 hours7 days4+ days5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312128 x 16348x250320 x 300NA
Size1.5 inches or 1.65 inches1.41 inches1.421.34 inchesNA
TouchNA
TypeAMOLEDOLEDOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM50m5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aFitbit OSProprietaryNA
Apps
Music

All Wearables