Pebble Time vs. Polar Loop 2 vs. Sony SmartBand 2 vs. Garmin Vivofit 4 vs. Amazfit GTR

 
Time
Loop 2
SmartBand 2
Vivofit 4
GTR
 PebbleTimeRemove Buy NowPolarLoop 2Remove Buy NowSonySmartBand 2Remove Buy NowGarminVivofit 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$120$130$79.95$199
Release20152015201520182019

Activity & Fitness

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

Battery

Duration7 days8 days (without notifications)2 days1 year24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/an/a88 x 88454 x 454
Size1.26 inchesn/an/aNA1.39 inches
Touchn/a
Typee-paperLEDn/aNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATMIP585 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aBuild-in
Apps
Music

All Wearables