Fitbit Flex 2 vs. Fitbit One vs. Apple Watch Series 2 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Apple Watch 7

 
Flex 2
One
Watch Series 2
Grayson
Grayson
Watch 7
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$100$269$350$350$429
Release201620122016201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days18 hours24 hours24 hours18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a340 x 272 or 390 x 312453 x 454453x454396 x 484
Sizen/an/a1.5 inches or 1.65 inches1.39 inches1.39 inches1.9 inches
Touchn/a
TypeLEDOLEDAMOLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant5ATM1 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSAndroid WearAndroid WearWatchOS 8
Apps
Music

All Wearables