Fitbit Ionic vs. Asus ZenWatch vs. Casio WSD-F20A vs. Amazfit GTR vs. Apple Series 6

 
Ionic
ZenWatch
WSD-F20A
GTR
Series 6
 FitbitIonicRemove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowAmazfitGTRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$299$150$399$199$399
Release20172014201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ daysNA1 day24 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 320320 x 320454 x 454384 x 480
Size1.421.63 inches1.32 inches1.39 inches40mm
Touch
TypeOLEDAMOLEDLCDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance50mIP555 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemFitbit OSAndroid WearWear OSBuild-inWatchOS 5
Apps
Music

All Wearables