ASUS ZenWatch 2 vs. Fitbit Ionic vs. Fitbit Charge vs. Fitbit Flex vs. HTC re Grip

 
ZenWatch 2
Ionic
Charge
Flex
re Grip
 ASUSZenWatch 2Remove Buy NowFitbitIonicRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$299$130$100$199
Release20162017201420132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a4+ days7-10 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320348x250NANA160 x 32
Size1.63 inches or 1.45 inch1.42NANA1.8 inches
TouchNANA
TypeAMOLEDOLEDOLEDLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP6750m1 ATM1 ATMIP57

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearFitbit OSNANANA
Apps
Music

All Wearables