Apple Watch Series 2 vs. Fitbit Ionic vs. Casio WSD-F20A vs. Fossil Explorist vs. Fitbit Alta HR

 
Watch Series 2
Ionic
WSD-F20A
Explorist
Alta HR
 AppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowFossilExploristRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$269$299$399$255$150
Release20162017201820182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours4+ days1 day24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312348x250320 x 320454 x454128 x 36
Size1.5 inches or 1.65 inches1.421.32 inches1.4 inches1.4 inches
Touch
TypeAMOLEDOLEDLCDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM50m5 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSFitbit OSWear OSWear OS
Apps
Music

All Wearables