Fitbit Ionic vs. Acer Liquid Leap vs. Garmin 645 Music vs. Garmin Vivofit 4 vs. Apple Series 6

 
Ionic
Liquid Leap
645 Music
Vivofit 4
Series 6
 FitbitIonicRemove Buy NowAcerLiquid LeapRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivofit 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$299$90$450$79.95$399
Release20172015201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 to 7 days7 days1 yearNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250128 x 32240 x 24088 x 88384 x 480
Size1.421 inch1.2 inchesNA40mm
Touch
TypeOLEDOLEDMIPNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance50mIPX45 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSWatchOS 5
Apps
Music

All Wearables