Fitbit Charge 2 vs. Garmin Vivosmart HR vs. Apple Watch vs. Fitbit Flex vs. HTC re Grip

 
Charge 2
Vivosmart HR
Watch
Flex
re Grip
 FitbitCharge 2Remove Buy NowGarminVivosmart HRRemove Buy NowAppleWatchRemove Buy NowFitbitFlexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$170$349$100$199
Release20162015201520132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days18 hours5 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68340 x 272 or 390 x 312NA160 x 32
Sizen/a1.08 inches1.5 inches or 1.65 inchesNA1.8 inches
Touchn/aNA
TypeOLEDn/aAMOLEDLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIPX71 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSNANA
Apps
Music

All Wearables