Polar M600 vs. Fitbit Zip vs. Fitbit Alta HR vs. Polar A370 vs. Polar Loop

 
M600
Zip
Alta HR
A370
Loop
 PolarM600Remove Buy NowFitbitZipRemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$330$60$150$179.95$100
Release20162012201720172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days6 months7 daysUp to 3 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a128 x 36160 x 80NA
Size1.3 inchesn/a1.4 inches1.18 inchesNA
Touchn/a
TypeTFTn/aOLEDTFT LCDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8Splash ResistantWR302 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNA
Apps
Music

All Wearables