Pebble Steel vs. Fitbit Alta HR vs. Fitbit Flex vs. Fitbit Versa 2 vs. Michael Kors Access Sofie HR

 
Steel
Alta HR
Flex
Versa 2
Access Sofie HR
 PebbleSteelRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowFitbitVersa 2Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$150$150$100$199$395
Release20142017201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days7 days5 days5 days2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144128 x 36NA300 x 300390 x 390
Size1.26 inches1.4 inchesNA1.34 inches1.19 inches
TouchNA
Typee-paperOLEDLEDAMOLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATM0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSNABuild-inWear OS
Apps
Music

All Wearables