ASUS ZenWatch 2 vs. Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Fitbit Alta HR vs. Apple Series 6

 
ZenWatch 2
Flex 2
ZenWatch 3
Alta HR
Series 6
 ASUSZenWatch 2Remove Buy NowFitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitAlta HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$100$229$150$399
Release20162016201720172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days48 hours7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution320 x 320n/a400 x 400128 x 36384 x 480
Size1.63 inches or 1.45 inchn/a1.39 inches1.4 inches40mm
Touchn/a
TypeAMOLEDLEDAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP675 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aAndroid Wear 2WatchOS 5
Apps
Music

All Wearables