Fitbit Flex 2 vs. Apple Watch vs. Asus ZenWatch vs. Garmin Forerunner 235 vs. Amazfit GTR

 
Flex 2
Watch
ZenWatch
Forerunner 235
GTR
 FitbitFlex 2Remove Buy NowAppleWatchRemove Buy NowAsusZenWatchRemove Buy NowGarminForerunner 235Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$349$150$299.99$199
Release20162015201420172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hoursNA9 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312320 x 320215 x 180454 x 454
Sizen/a1.5 inches or 1.65 inches1.63 inches1.23 inches1.39 inches
Touchn/a
TypeLEDAMOLEDAMOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX7IP555 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aWatch OSAndroid WearBuild-in
Apps
Music

All Wearables