Pebble Time Steel vs. Polar M600 vs. Polar Loop 2 vs. Fitbit Alta HR vs. Garmin Vivosmart 4

 
Time Steel
M600
Loop 2
Alta HR
Vivosmart 4
 PebbleTime SteelRemove Buy NowPolarM600Remove Buy NowPolarLoop 2Remove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$330$120$150$130
Release20152016201520172018

Activity & Fitness

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

Battery

Duration10 days2 days8 days (without notifications)7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144240 x 240n/a128 x 3648 x 128
Size1.26 inches1.3 inchesn/a1.4 inches0.74 inches
Touchn/a
Typee-paperTFTLEDOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX82 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wearn/a
Apps
Music

All Wearables