Fitbit Flex 2 vs. Apple Watch Series 2 vs. ASUS ZenWatch 3 vs. Jawbone UP4 vs. Amazfit GTR

 
Flex 2
Watch Series 2
ZenWatch 3
UP4
GTR
 FitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy NowJawboneUP4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$269$229$200$199
Release20162016201720152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours48 hoursNA24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312400 x 400NA454 x 454
Sizen/a1.5 inches or 1.65 inches1.39 inchesNA1.39 inches
Touchn/aNA
TypeLEDAMOLEDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2NABuild-in
Apps
MusicNA

All Wearables