Polar M600 vs. Fitbit Alta vs. Fitbit Flex vs. Apple Watch Series 4 vs. Fitbit Versa 2

 
M600
Alta
Flex
Watch Series 4
Versa 2
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$330$130$100$329$199
Release20162016201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days5 daysNot Yet5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/aNA384 x 480300 x 300
Size1.3 inchesn/aNA1.78 inches1.34 inches
Touchn/an/aNA
TypeTFTOLEDLEDMicroLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a1 ATMNot Yet5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aNAWatch OS 5Build-in
Apps
Music

All Wearables