Polar M600 vs. Polar A360 vs. Fitbit Charge vs. Fitbit Flex vs. Apple Watch Ultra

 
M600
A360
Charge
Flex
Watch Ultra
 PolarM600Remove Buy NowPolarA360Remove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$330$200$130$100$799
Release20162015201420132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days12 days7-10 days5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240160 x 80NANA502x410 pixels
Size1.3 inches1.18 inchesNANA1.92 inches
Touchn/aNANA
TypeTFTn/aOLEDLED

Functions

Audio SpeakerAlerts only
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8WR301 ATM1 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNANAWatchOS 9
Apps
Music

All Wearables