Apple Watch Series 2 vs. Fitbit Ionic vs. Garmin Forerunner 935 vs. Casio WSD-F20A vs. Fitbit Alta HR

 
Watch Series 2
Ionic
Forerunner 935
WSD-F20A
Alta HR
 AppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowGarminForerunner 935Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$269$299$500$399$150
Release20162017201720182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours4+ daysUp to 2 weeks1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312348x250240 x 240320 x 320128 x 36
Size1.5 inches or 1.65 inches1.421.2 inches1.32 inches1.4 inches
Touch
TypeAMOLEDOLEDLCDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM50m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSFitbit OSWear OS
Apps
Music

All Wearables