Fitbit Charge 2 vs. Fitbit Flex 2 vs. Fitbit Zip vs. Apple Watch Series 2 vs. ASUS ZenWatch 3

 
Charge 2
Flex 2
Zip
Watch Series 2
ZenWatch 3
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowAppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy Now

Basic Info

Suggested Price$150$100$60$269$229
Release20162016201220162017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days6 months18 hours48 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a340 x 272 or 390 x 312400 x 400
Sizen/an/an/a1.5 inches or 1.65 inches1.39 inches
Touchn/an/a
TypeOLEDLEDn/aAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMSplash Resistant5ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWatch OSAndroid Wear 2
Apps
Music

All Wearables