Polar M600 vs. Polar M430 vs. Fitbit Charge vs. Fitbit Flex vs. Apple Watch Ultra

 
M600
M430
Charge
Flex
Watch Ultra
 PolarM600Remove Buy NowPolarM430Remove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$330$255$130$100$799
Release20162017201420132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days30 hours7-10 days5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240128x128NANA502x410 pixels
Size1.3 inches1.4 inchNANA1.92 inches
Touchn/aNANA
TypeTFTLCDOLEDLED

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 WearNANAWatchOS 9
Apps
Music

All Wearables