Fitbit Alta vs. Fitbit Flex 2 vs. Fitbit Alta HR vs. Fitbit Charge 3 vs. Apple Watch 8

 
Alta
Flex 2
Alta HR
Charge 3
Watch 8
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$130$100$150$150$499
Release20162016201720182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7 days7 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 3666 x 18340 x 272 or 390 x 312
Sizen/an/a1.4 inches.721 inches1.5 inches or 1.65 inches
Touchn/an/a
TypeOLEDLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNAWatchOS 9
Apps
Music

All Wearables