Pebble 2 vs. Polar M600 vs. Polar Loop 2 vs. Garmin Vivofit 4 vs. HTC re Grip

 
2
M600
Loop 2
Vivofit 4
re Grip
 Pebble2Remove Buy NowPolarM600Remove Buy NowPolarLoop 2Remove Buy NowGarminVivofit 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$129$330$120$79.95$199
Release20162016201520182020

Activity & Fitness

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

Battery

Duration7 days2 days8 days (without notifications)1 year5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240n/a88 x 88160 x 32
Sizen/a1.3 inchesn/aNA1.8 inches
Touchn/a
Typee-paperTFTLEDNAPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX82 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wearn/aNA
Apps
Music

All Wearables