Pebble Time vs. Garmin Vivosmart HR vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Garmin Vivosmart 4

 
Time
Vivosmart HR
Flex
Forerunner 45
Vivosmart 4
 PebbleTimeRemove Buy NowGarminVivosmart HRRemove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$170$100$199$130
Release20152015201320192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days5 days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144160 x 68NA208 x 20848 x 128
Size1.26 inches1.08 inchesNA1.04 inches0.74 inches
TouchNA
Typee-papern/aLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aNABuilt-in
Apps
Music

All Wearables