Polar M600 vs. Fitbit Flex 2 vs. Fitbit Ionic vs. Fitbit Alta HR vs. Garmin VivoActive 4

 
M600
Flex 2
Ionic
Alta HR
VivoActive 4
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$330$100$299$150$349
Release20162016201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days4+ days7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a348x250128 x 36260 x 260
Size1.3 inchesn/a1.421.4 inches1.3ionches
Touchn/an/a
TypeTFTLEDOLEDOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM50m5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aFitbit OSWear OS
Apps
Music

All Wearables