Fitbit Alta HR vs. Fitbit Charge 3 vs. HTC re Grip vs. Apple Series 6 vs. Fitbit Sense 2

 
Alta HR
Charge 3
re Grip
Series 6
Sense 2
 FitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy NowHTCre GripRemove Buy NowAppleSeries 6Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$150$150$199$399$300
Release20172018202020202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days7 days5 hours to 2.5 daysNot yet6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution128 x 3666 x 18160 x 32384 x 480336x336
Size1.4 inches.721 inches1.8 inches40mm1.59 inches
Touch
TypeOLEDOLEDPMOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMIP575 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNANAWatchOS 5
Apps
Music

All Wearables