Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Fitbit Charge vs. Microsoft Band vs. HTC re Grip

 
Flex 2
ZenWatch 3
Charge
Band
re Grip
 FitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitChargeRemove Buy NowMicrosoftBandRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$229$130$200$199
Release20162017201420142020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours7-10 days2 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400NA320 x 106160 x 32
Sizen/a1.39 inchesNA1.37 inches1.8 inches
Touchn/aNA
TypeLEDAMOLEDOLEDCapacitative TFTPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMIP67IP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NANANA
Apps
Music

All Wearables