Fitbit Flex 2 vs. Apple Watch vs. Asus ZenWatch vs. Fitbit Charge HR vs. Apple Watch Series 5

 
Flex 2
Watch
ZenWatch
Charge HR
Watch Series 5
 FitbitFlex 2Remove Buy NowAppleWatchRemove Buy NowAsusZenWatchRemove Buy NowFitbitCharge HRRemove Buy NowAppleWatch Series 5Remove Buy Now

Basic Info

Suggested Price$100$349$150$150$329
Release20162015201420152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hoursNA5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312320 x 320NA384 x 480
Sizen/a1.5 inches or 1.65 inches1.63 inchesNA1.78 Inches
Touchn/aNA
TypeLEDAMOLEDAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX7IP551 ATMNot Yet

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aWatch OSAndroid WearNAWatchOS 5
Apps
Music

All Wearables