Apple Watch Series 3 vs. Fitbit Blaze vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Casio WSD-F20A

 
Watch Series 3
Blaze
Watch Series 2
Ionic
WSD-F20A
 AppleWatch Series 3Remove Buy NowFitbitBlazeRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$329$200$269$299$399
Release20172016201620172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 Days18 hours4+ days1 day
Rechargeable

Compatibility

Android
iOS
Windows PhonePartial
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a340 x 272 or 390 x 312348x250320 x 320
Size1.5 inches or 1.65 inchesn/a1.5 inches or 1.65 inches1.421.32 inches
Touch
TypeAMOLEDLCDAMOLEDOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5ATM50m5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aWatch OSFitbit OSWear OS
Apps
Music

All Wearables