Polar M600 vs. Polar Loop 2 vs. Garmin 645 Music vs. Jawbone UP4 vs. Misfit Flare

 
M600
Loop 2
645 Music
UP4
Flare
 PolarM600Remove Buy NowPolarLoop 2Remove Buy NowGarmin645 MusicRemove Buy NowJawboneUP4Remove Buy NowMisfitFlareRemove Buy Now

Basic Info

Suggested Price$330$120$450$200$59.95
Release20162015201820152017

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)7 daysNA4 months
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a240 x 240NANA
Size1.3 inchesn/a1.2 inchesNANA
Touchn/aNA
TypeTFTLEDMIPNALED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX82 ATM5 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNA
Apps
MusicNA

All Wearables