Fitbit Ionic vs. Amazfit Stratos vs. Mobvoi TicWatch S2 vs. Garmin VivoActive 4 vs. Apple Series 6

 
Ionic
Stratos
TicWatch S2
VivoActive 4
Series 6
 FitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowMobvoiTicWatch S2Remove Buy NowGarminVivoActive 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$299$199$180$349$399
Release20172018201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days2 DAYS8 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 300400 x 400260 x 260384 x 480
Size1.421.34 inches1.39 inches1.3ionches40mm
Touch
TypeOLEDOLEDOLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance50m5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSProprietaryWear OSWear OSWatchOS 5
Apps
Music

All Wearables