Fitbit Alta vs. Fitbit Flex 2 vs. Fitbit Charge vs. Garmin Vivosmart HR Plus vs. HTC re Grip

 
Alta
Flex 2
Charge
Vivosmart HR Plus
re Grip
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowFitbitChargeRemove Buy NowGarminVivosmart HR PlusRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$130$100$130$179$199
Release20162016201420172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

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

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNA160 x 68160 x 32
Sizen/an/aNA0.5 inches x 0.8 inches1.8 inches
Touchn/an/aNA
TypeOLEDLEDOLEDLCDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM5 ATMIP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNANANA
Apps
Music

All Wearables