Pebble Time Round vs. Polar M400 vs. Garmin Vivofit 3 vs. Garmin Vivosmart HR vs. Fitbit Flex

 
Time Round
M400
Vivofit 3
Vivosmart HR
Flex
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowGarminVivofit 3Remove Buy NowGarminVivosmart HRRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$200$100$170$100
Release20152014201620152013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/an/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 hours to 30 days1 year5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a64 x 64160 x 68NA
Sizeroundn/a0.55 inches1.08 inchesNA
TouchNA
Typee-papern/an/an/aLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATM5 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/an/aNA
Apps
Music

All Wearables