Fitbit Flex 2 vs. Amazfit Stratos vs. Asus ZenWatch vs. Jawbone UP4 vs. Fitbit Sense 2

 
Flex 2
Stratos
ZenWatch
UP4
Sense 2
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowAsusZenWatchRemove Buy NowJawboneUP4Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$100$199$150$200$300
Release20162018201420152022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysNANA6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300320 x 320NA336x336
Sizen/a1.34 inches1.63 inchesNA1.59 inches
Touchn/aNA
TypeLEDOLEDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP55NA5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aProprietaryAndroid WearNA
Apps
MusicNA

All Wearables