Apple Watch Series 2 vs. Fitbit Flex vs. Apple Watch Series 4 vs. Michael Kors Access Sofie HR vs. HTC re Grip

 
Watch Series 2
Flex
Watch Series 4
Access Sofie HR
re Grip
 AppleWatch Series 2Remove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$269$100$329$395$199
Release20162013201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 daysNot Yet2 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312NA384 x 480390 x 390160 x 32
Size1.5 inches or 1.65 inchesNA1.78 inches1.19 inches1.8 inches
TouchNA
TypeAMOLEDLEDMicroLEDOMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM1 ATMNot Yet0.3 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSNAWatch OS 5Wear OSNA
Apps
Music

All Wearables