Pebble Classic vs. Fitbit Alta vs. Michael Kors Access Sofie vs. Garmin Forerunner 45 vs. Garmin Vivosmart 4

 
Classic
Alta
Access Sofie
Forerunner 45
Vivosmart 4
 PebbleClassicRemove Buy NowFitbitAltaRemove Buy NowMichael KorsAccess SofieRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$99$130$395$199$130
Release20132016201720192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days5 days1 day7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a390 x 390 1.19 inches208 x 20848 x 128
Size1.26 inchesn/a1.04 inches0.74 inches
Touchn/aAMOLDED
Typee-paperOLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a1 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/aAndroid Wear 2.0Built-in
Apps
Music

All Wearables