Apple Watch Series 3 vs. Fitbit Flex 2 vs. Fitbit Zip vs. Garmin Vivosmart HR vs. Garmin Vivosmart 4

 
Watch Series 3
Flex 2
Zip
Vivosmart HR
Vivosmart 4
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowGarminVivosmart HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$329$100$60$170$130
Release20172016201220152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days6 months5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/an/a160 x 6848 x 128
Size1.5 inches or 1.65 inchesn/an/a1.08 inches0.74 inches
Touchn/a
TypeAMOLEDLEDn/an/aOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMSplash Resistant5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/an/a
Apps
Music

All Wearables