Fitbit Alta vs. Garmin Vivosmart HR vs. Fitbit Charge HR vs. Apple Watch Series 4 vs. HTC re Grip

 
Alta
Vivosmart HR
Charge HR
Watch Series 4
re Grip
 FitbitAltaRemove Buy NowGarminVivosmart HRRemove Buy NowFitbitCharge HRRemove Buy NowAppleWatch Series 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$130$170$150$329$199
Release20162015201520182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 daysNot Yet5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68NA384 x 480160 x 32
Sizen/a1.08 inchesNA1.78 inches1.8 inches
Touchn/aNA
TypeOLEDn/aOLEDMicroLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATMNot YetIP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNAWatch OS 5NA
Apps
Music

All Wearables