Pebble Time vs. Polar Loop 2 vs. Garmin Vivofit 4 vs. Polar Loop vs. HTC re Grip

 
Time
Loop 2
Vivofit 4
Loop
re Grip
 PebbleTimeRemove Buy NowPolarLoop 2Remove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$120$79.95$100$199
Release20152015201820132020

Activity & Fitness

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

Battery

Duration7 days8 days (without notifications)1 year5 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a88 x 88NA160 x 32
Size1.26 inchesn/aNANA1.8 inches
Touch
Typee-paperLEDNALEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATM2 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aNANA
Apps
Music

All Wearables