Fitbit Flex 2 vs. Apple Watch Series 2 vs. ASUS ZenWatch 3 vs. Fitbit Flex vs. Garmin VivoActive 4

 
Flex 2
Watch Series 2
ZenWatch 3
Flex
VivoActive 4
 FitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitFlexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$269$229$100$349
Release20162016201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours48 hours5 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312400 x 400NA260 x 260
Sizen/a1.5 inches or 1.65 inches1.39 inchesNA1.3ionches
Touchn/aNA
TypeLEDAMOLEDAMOLEDLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2NAWear OS
Apps
Music

All Wearables