Fitbit Alta vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Michael Kors Access Sofie HR vs. Garmin Vivosmart 4

 
Alta
Watch Series 2
Ionic
Access Sofie HR
Vivosmart 4
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$130$269$299$395$130
Release20162016201720192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours4+ days2 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312348x250390 x 39048 x 128
Sizen/a1.5 inches or 1.65 inches1.421.19 inches0.74 inches
Touchn/a
TypeOLEDAMOLEDOLEDOMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM50m0.3 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSFitbit OSWear OS
Apps
Music

All Wearables