Polar M600 vs. Misfit Ray vs. Polar Loop 2 vs. Acer Liquid Leap vs. Fitbit Alta HR

 
M600
Ray
Loop 2
Liquid Leap
Alta HR
 PolarM600Remove Buy NowMisfitRayRemove Buy NowPolarLoop 2Remove Buy NowAcerLiquid LeapRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$330$100$120$90$150
Release20162016201520152017

Activity & Fitness

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

Battery

Duration2 days6 months8 days (without notifications)5 to 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

Colorn/a
Resolution240 x 240n/an/a128 x 32128 x 36
Size1.3 inchesn/an/a1 inch1.4 inches
Touchn/an/a
TypeTFTLEDLEDOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM2 ATMIPX4

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/a
Apps
Music

All Wearables