Pebble Time Round vs. Polar Loop 2 vs. Amazfit Bip vs. Fitbit Flex vs. Garmin Vivosmart HR Plus

 
Time Round
Loop 2
Bip
Flex
Vivosmart HR Plus
 PebbleTime RoundRemove Buy NowPolarLoop 2Remove Buy NowAmazfitBipRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart HR PlusRemove Buy Now

Basic Info

Suggested Price$200$120$99.99$100$179
Release20152015201820132017

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)30 days5 days5 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/a176 x 176NA160 x 68
Sizeroundn/a1.28 inchesNA0.5 inches x 0.8 inches
TouchNA
Typee-paperLEDNALEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX72 ATMIP681 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aNANA
Apps
Music

All Wearables