Fitbit Flex 2 vs. Fitbit Zip vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Fitbit Charge HR

 
Flex 2
Zip
ZenWatch 3
Ionic
Charge HR
 FitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$100$60$229$299$150
Release20162012201720172015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months48 hours4+ days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 400348x250NA
Sizen/an/a1.39 inches1.42NA
Touchn/aNA
TypeLEDn/aAMOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash Resistant50m1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Fitbit OSNA
Apps
Music

All Wearables