Fitbit Flex 2 vs. Apple Watch vs. Asus ZenWatch vs. Fitbit Flex vs. Apple SE

 
Flex 2
Watch
ZenWatch
Flex
SE
 FitbitFlex 2Remove Buy NowAppleWatchRemove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$349$150$100$279
Release20162015201420132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hoursNA5 days18 hours
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 inchesNA40mm
Touchn/aNA
TypeLEDAMOLEDAMOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATMIPX7IP551 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aWatch OSAndroid WearNAWatchOS 5
Apps
Music

All Wearables