Fitbit One vs. Apple Watch Series 2 vs. Fitbit Alta HR vs. Fitbit Charge 3 vs. HTC re Grip

 
One
Watch Series 2
Alta HR
Charge 3
re Grip
 FitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$269$150$150$199
Release20122016201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days18 hours7 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312128 x 3666 x 18160 x 32
Sizen/a1.5 inches or 1.65 inches1.4 inches.721 inches1.8 inches
Touch
TypeOLEDAMOLEDOLEDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNANA
Apps
Music

All Wearables