Fitbit Alta vs. ASUS ZenWatch 3 vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Apple Watch Series 4

 
Alta
ZenWatch 3
Forerunner 235
Flex
Watch Series 4
 FitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$130$229$299.99$100$329
Release20162017201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours9 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400215 x 180NA384 x 480
Sizen/a1.39 inches1.23 inchesNA1.78 inches
Touchn/aNA
TypeOLEDAMOLEDMIPLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATMNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2NAWatch OS 5
Apps
Music

All Wearables