Pebble Time vs. Polar M400 vs. Garmin Vivosmart HR vs. Fitbit Ionic vs. Garmin VivoActive 4

 
Time
M400
Vivosmart HR
Ionic
VivoActive 4
 PebbleTimeRemove Buy NowPolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowFitbitIonicRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$150$200$170$299$349
Release20152014201520172019

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days5 days4+ days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a160 x 68348x250260 x 260
Size1.26 inchesn/a1.08 inches1.421.3ionches
Touch
Typee-papern/an/aOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM50m5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aFitbit OSWear OS
Apps
Music

All Wearables