Fitbit Flex 2 vs. Moov Now vs. Garmin 645 Music vs. Apple Watch Series 4 vs. Garmin VivoActive 4

 
Flex 2
Now
645 Music
Watch Series 4
VivoActive 4
 FitbitFlex 2Remove Buy NowMoovNowRemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch Series 4Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$79$450$329$349
Release20162015201820182019

Activity & Fitness

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

Battery

Duration5 days6 months7 daysNot Yet8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a240 x 240384 x 480260 x 260
Sizen/an/a1.2 inches1.78 inches1.3ionches
Touchn/an/a
TypeLEDn/aMIPMicroLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OS 5Wear OS
Apps
Music

All Wearables