Polar M600 vs. Fitbit Alta vs. Fitbit Alta HR vs. Fitbit Charge HR vs. Apple Series 6

 
M600
Alta
Alta HR
Charge HR
Series 6
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$330$130$150$150$399
Release20162016201720152020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days7 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a128 x 36NA384 x 480
Size1.3 inchesn/a1.4 inchesNA40mm
Touchn/an/aNA
TypeTFTOLEDOLEDOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIPX8n/a1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aNAWatchOS 5
Apps
Music

All Wearables