Polar M430 vs. Fitbit Charge vs. Fitbit Charge 3 vs. Apple Watch 7 vs. Fitbit Sense 2

 
M430
Charge
Charge 3
Watch 7
Sense 2
 PolarM430Remove Buy NowFitbitChargeRemove Buy NowFitbitCharge 3Remove Buy NowAppleWatch 7Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$255$130$150$429$300
Release20172014201820212022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours7-10 days7 days18 Hours6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution128x128NA66 x 18396 x 484336x336
Size1.4 inchNA.721 inches1.9 inches1.59 inches
TouchNA
TypeLCDOLEDOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR301 ATM5 ATMwater resistant but not waterproof5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNANAWatchOS 8
Apps
Music

All Wearables