Garmin Forerunner 935 vs. Fitbit Alta HR vs. Garmin Vivofit 4 vs. HTC re Grip vs. Apple Series 6

 
Forerunner 935
Alta HR
Vivofit 4
re Grip
Series 6
 GarminForerunner 935Remove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy NowHTCre GripRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$500$150$79.95$199$399
Release20172017201820202020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 2 weeks7 days1 year5 hours to 2.5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240128 x 3688 x 88160 x 32384 x 480
Size1.2 inches1.4 inchesNA1.8 inches40mm
Touch
TypeLCDOLEDNAPMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWatchOS 5
Apps
Music

All Wearables