Fitbit Flex 2 vs. Fitbit Zip vs. ASUS ZenWatch 3 vs. Asus ZenWatch vs. Amazfit GTR

 
Flex 2
Zip
ZenWatch 3
ZenWatch
GTR
 FitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowASUSZenWatch 3Remove Buy NowAsusZenWatchRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$60$229$150$199
Release20162012201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months48 hoursNA24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 400320 x 320454 x 454
Sizen/an/a1.39 inches1.63 inches1.39 inches
Touchn/a
TypeLEDn/aAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash ResistantIP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid Wear 2Android WearBuild-in
Apps
Music

All Wearables