Fitbit Charge 2 vs. Fitbit Charge vs. Fitbit Flex vs. Garmin Vivofit 4 vs. HTC re Grip

 
Charge 2
Charge
Flex
Vivofit 4
re Grip
 FitbitCharge 2Remove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$130$100$79.95$199
Release20162014201320182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7-10 days5 days1 year5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNANA88 x 88160 x 32
Sizen/aNANANA1.8 inches
Touchn/aNANA
TypeOLEDOLEDLEDNAPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a1 ATM1 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANANA
Apps
Music

All Wearables