Pebble Steel vs. Amazfit Arc vs. Casio WSD-F20A vs. Fitbit Flex

 
Steel
Arc
WSD-F20A
Flex
 PebbleSteelRemove Buy NowAmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$150$69.99$399$100
Release2014201620182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days20 days1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 14472 x40320 x 320NA
Size1.26 inches0.42 inches1.32 inchesNA
TouchNA
Typee-paperOLEDLCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSWear OSNA
Apps
Music

All Wearables