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

 
Time Round
Loop 2
Flex
Loop
VivoActive 4
 PebbleTime RoundRemove Buy NowPolarLoop 2Remove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$120$100$100$349
Release20152015201320132019

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)5 days5 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNANA260 x 260
Sizeroundn/aNANA1.3ionches
TouchNA
Typee-paperLEDLEDLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX72 ATM1 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aNANAWear OS
Apps
Music

All Wearables