Fitbit Alta vs. ASUS ZenWatch 3 vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Amazfit GTR

 
Alta
ZenWatch 3
Forerunner 235
Flex
GTR
 FitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$130$229$299.99$100$199
Release20162017201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours9 days5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400215 x 180NA454 x 454
Sizen/a1.39 inches1.23 inchesNA1.39 inches
Touchn/aNA
TypeOLEDAMOLEDMIPLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2NABuild-in
Apps
Music

All Wearables