Apple Watch Series 2 vs. Fitbit Ionic vs. Casio G-Shock GBA800 vs. Casio WSD-F20A vs. Fitbit Flex

 
Watch Series 2
Ionic
G-Shock GBA800
WSD-F20A
Flex
 AppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$269$299$120$399$100
Release20162017201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours4+ days2 years1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312348x250320 x 320NA
Size1.5 inches or 1.65 inches1.421.32 inchesNA
TouchNA
TypeAMOLEDOLEDLCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM50m20 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSFitbit OSWear OSNA
Apps
Music

All Wearables