Fitbit Ionic vs. Garmin 645 Music vs. Fitbit Flex vs. Jawbone UP3 vs. Apple Watch Series 4

 
Ionic
645 Music
Flex
UP3
Watch Series 4
 FitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowJawboneUP3Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$299$450$100$180$329
Release20172018201320132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days7 days5 days7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250240 x 240NANA384 x 480
Size1.421.2 inchesNANA1.78 inches
TouchNANA
TypeOLEDMIPLEDNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM1 ATMNANot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSNANAWatch OS 5
Apps
MusicNA

All Wearables