Fitbit Alta vs. ASUS ZenWatch 3 vs. Asus ZenWatch vs. Fitbit Flex vs. Apple Watch 7

 
Alta
ZenWatch 3
ZenWatch
Flex
Watch 7
 FitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$229$150$100$429
Release20162017201420132021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hoursNA5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400320 x 320NA396 x 484
Sizen/a1.39 inches1.63 inchesNA1.9 inches
Touchn/aNA
TypeOLEDAMOLEDAMOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP551 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/aAndroid Wear 2Android WearNAWatchOS 8
Apps
Music

All Wearables