Polar M600 vs. Fitbit Charge 2 vs. Fitbit Ionic vs. Amazfit GTR vs. Apple Series 6

 
M600
Charge 2
Ionic
GTR
Series 6
 PolarM600Remove Buy NowFitbitCharge 2Remove Buy NowFitbitIonicRemove Buy NowAmazfitGTRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$330$150$299$199$399
Release20162016201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days4+ days24 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a348x250454 x 454384 x 480
Size1.3 inchesn/a1.421.39 inches40mm
Touchn/an/a
TypeTFTOLEDOLEDAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIPX8n/a50m5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aFitbit OSBuild-inWatchOS 5
Apps
Music

All Wearables