Pebble Time Round vs. Polar Loop 2 vs. Garmin Chronos vs. Fitbit Flex vs. Garmin Vivosmart 4

 
Time Round
Loop 2
Chronos
Flex
Vivosmart 4
 PebbleTime RoundRemove Buy NowPolarLoop 2Remove Buy NowGarminChronosRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$120$1500$100$130
Release20152015201820132018

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)8 days5 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
Resolutionn/an/a218 x 218NA48 x 128
Sizeroundn/a1.2 inchesNA0.74 inches
TouchNA
Typee-paperLEDMIPLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX72 ATM10 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aWear OSNA
Apps
Music

All Wearables