Pebble Time vs. Polar M600 vs. Fitbit Flex 2 vs. Fitbit Alta HR vs. Michael Kors Access Sofie HR

 
Time
M600
Flex 2
Alta HR
Access Sofie HR
 PebbleTimeRemove Buy NowPolarM600Remove Buy NowFitbitFlex 2Remove Buy NowFitbitAlta HRRemove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$150$330$100$150$395
Release20152016201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 days5 days7 days2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144240 x 240n/a128 x 36390 x 390
Size1.26 inches1.3 inchesn/a1.4 inches1.19 inches
Touchn/an/a
Typee-paperTFTLEDOLEDOMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX85 ATM0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wearn/aWear OS
Apps
Music

All Wearables