Fitbit Flex 2 vs. Samsung Galaxy Watch vs. Polar A370 vs. Michael Kors Access Sofie HR vs. Apple Watch Ultra

 
Flex 2
Galaxy Watch
A370
Access Sofie HR
Watch Ultra
 FitbitFlex 2Remove Buy NowSamsungGalaxy WatchRemove Buy NowPolarA370Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$330$179.95$395$799
Release20162018201720192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 daysUp to 3 days2 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a360 x 360160 x 80390 x 390502x410 pixels
Sizen/a1.2 inches or 1.3 inches1.18 inches1.19 inches1.92 inches
Touchn/a
TypeLEDAMOLEDTFT LCDOMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMWR300.3 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSWear OSWatchOS 9
Apps
MusicSpotify

All Wearables