Casio WSD-F10 vs. Fitbit One vs. Apple Watch Series 2 vs. Amazfit Stratos vs. Fitbit Flex

 
WSD-F10
One
Watch Series 2
Stratos
Flex
 CasioWSD-F10Remove Buy NowFitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$500$100$269$199$100
Release20162012201620182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygenn/a
Sleepn/a
Steps
Swimn/a

Battery

Durationn/a10-14 days18 hours5 days5 days
Rechargeable

Compatibility

Android
iOSn/a
Windows Phonen/an/aNA
Macn/a
Windowsn/a

Connectivity

Bluetoothn/a
Cellularn/a
GPS
NFCn/a
Wi-Fin/a

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312320 x 300NA
Sizen/an/a1.5 inches or 1.65 inches1.34 inchesNA
Touchn/aNA
TypeLCDOLEDAMOLEDOLEDLED

Functions

Audio Speakern/a
Clock
Phonen/a
Vibration
Voicen/a

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant5ATM5 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aWatch OSProprietaryNA
Appsn/a
Musicn/a

All Wearables