Polar M600 vs. TomTom Spark vs. Polar Loop 2 vs. Pebble Time 2 vs. Garmin Vivosmart 4

 
M600
Spark
Loop 2
Time 2
Vivosmart 4
 PolarM600Remove Buy NowTomTomSparkRemove Buy NowPolarLoop 2Remove Buy NowPebbleTime 2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$330$150$120$199$130
Release20162015201520162018

Activity & Fitness

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

Battery

Duration2 daysn/a8 days (without notifications)10 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/an/aNA48 x 128
Size1.3 inchesn/an/aNA0.74 inches
Touchn/a
TypeTFTLCDLEDe-paperOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM2 ATM3 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aPebble OS
Apps
Music

All Wearables