Fitbit One vs. Apple Watch Series 2 vs. Casio WSD-F20A vs. Garmin Chronos vs. Fitbit Flex

 
One
Watch Series 2
WSD-F20A
Chronos
Flex
 FitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarminChronosRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$100$269$399$1500$100
Release20122016201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days18 hours1 day8 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 320218 x 218NA
Sizen/a1.5 inches or 1.65 inches1.32 inches1.2 inchesNA
TouchNA
TypeOLEDAMOLEDLCDMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5ATM5 ATM10 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OSWear OSNA
Apps
Music

All Wearables