Fitbit Zip vs. Garmin Vivosmart HR vs. Amazfit Stratos vs. Garmin Forerunner 45 vs. Apple Series 6

 
Zip
Vivosmart HR
Stratos
Forerunner 45
Series 6
 FitbitZipRemove Buy NowGarminVivosmart HRRemove Buy NowAmazfitStratosRemove Buy NowGarminForerunner 45Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$60$170$199$199$399
Release20122015201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months5 days5 days7 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68320 x 300208 x 208384 x 480
Sizen/a1.08 inches1.34 inches1.04 inches40mm
Touch
Typen/an/aOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceSplash Resistant5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietaryBuilt-inWatchOS 5
Apps
Music

All Wearables