Fitbit Charge 2 vs. Polar M430 vs. Samsung Gear 2 vs. Michael Kors Access Sofie HR vs. Apple Watch 7

 
Charge 2
M430
Gear 2
Access Sofie HR
Watch 7
 FitbitCharge 2Remove Buy NowPolarM430Remove Buy NowSamsungGear 2Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$255$300$395$429
Release20162017201420192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration5 days30 hours2-3 days2 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128x128320 x 320390 x 390396 x 484
Sizen/a1.4 inch1.63 inches1.19 inches1.9 inches
Touchn/a
TypeOLEDLCDSuper AMOLEDOMOLEDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aWR30IP670.3 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSWear OSWatchOS 8
Apps
Music

All Wearables