Fitbit Ionic vs. Amazfit Stratos vs. Amazfit Arc vs. Casio WSD-F20A vs. Garmin Vivofit 4

 
Ionic
Stratos
Arc
WSD-F20A
Vivofit 4
 FitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowAmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$299$199$69.99$399$79.95
Release20172018201620182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days20 days1 day1 year
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 30072 x40320 x 32088 x 88
Size1.421.34 inches0.42 inches1.32 inchesNA
Touch
TypeOLEDOLEDOLEDLCDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSProprietaryWear OS
Apps
Music

All Wearables