Fitbit Charge 2 vs. Amazfit Bip vs. Fitbit Alta HR vs. Garmin Vivosmart 4 vs. HTC re Grip

 
Charge 2
Bip
Alta HR
Vivosmart 4
re Grip
 FitbitCharge 2Remove Buy NowAmazfitBipRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$99.99$150$130$199
Release20162018201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 days7 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a176 x 176128 x 3648 x 128160 x 32
Sizen/a1.28 inches1.4 inches0.74 inches1.8 inches
Touchn/a
TypeOLEDNAOLEDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP685 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
Music

All Wearables