Fitbit Alta vs. Apple Watch Series 2 vs. ASUS ZenWatch 3 vs. Apple Watch vs. Fitbit Flex

 
Alta
Watch Series 2
ZenWatch 3
Watch
Flex
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy NowAppleWatchRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$130$269$229$349$100
Release20162016201720152013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours48 hours18 hours5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312400 x 400340 x 272 or 390 x 312NA
Sizen/a1.5 inches or 1.65 inches1.39 inches1.5 inches or 1.65 inchesNA
Touchn/aNA
TypeOLEDAMOLEDAMOLEDAMOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATMIPX71 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2Watch OSNA
Apps
Music

All Wearables