Fitbit Ionic vs. Mobvoi TicWatch S vs. Garmin Vivofit 4 vs. Amazfit T-Rex vs. Apple Series 6

 
Ionic
TicWatch S
Vivofit 4
T-Rex
Series 6
 FitbitIonicRemove Buy NowMobvoiTicWatch SRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$299$199$79.95$140$399
Release20172017201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days1.5-2 days1 year20 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250400 x 40088 x 88360 x 360384 x 480
Size1.421.4 inchesNA1.3 inches40mm
Touch
TypeOLEDOLEDNAAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance50mIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid Wear 2.0Build-inWatchOS 5
Apps
Music

All Wearables