Polar M600 vs. Fitbit Ionic vs. Fitbit Flex vs. Polar Loop vs. Apple Watch Series 4

 
M600
Ionic
Flex
Loop
Watch Series 4
 PolarM600Remove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$330$299$100$100$329
Release20162017201320132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days4+ days5 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240348x250NANA384 x 480
Size1.3 inches1.42NANA1.78 inches
Touchn/aNA
TypeTFTOLEDLEDLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX850m1 ATM2 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearFitbit OSNANAWatch OS 5
Apps
Music

All Wearables