Amazfit Stratos vs. Amazfit Arc vs. Asus ZenWatch vs. Casio WSD-F20A vs. Fitbit Flex

 
Stratos
Arc
ZenWatch
WSD-F20A
Flex
 AmazfitStratosRemove Buy NowAmazfitArcRemove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$199$69.99$150$399$100
Release20182016201420182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 daysNA1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 30072 x40320 x 320320 x 320NA
Size1.34 inches0.42 inches1.63 inches1.32 inchesNA
TouchNA
TypeOLEDOLEDAMOLEDLCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP67IP555 ATM1 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemProprietaryAndroid WearWear OSNA
Apps
Music

All Wearables