Polar A360 vs. Polar Loop 2 vs. Amazfit Bip vs. Garmin 645 Music vs. Polar Loop

 
A360
Loop 2
Bip
645 Music
Loop
 PolarA360Remove Buy NowPolarLoop 2Remove Buy NowAmazfitBipRemove Buy NowGarmin645 MusicRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$120$99.99$450$100
Release20152015201820182013

Activity & Fitness

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

Battery

Duration12 days8 days (without notifications)30 days7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 80n/a176 x 176240 x 240NA
Size1.18 inchesn/a1.28 inches1.2 inchesNA
Touch
Typen/aLEDNAMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR302 ATMIP685 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables