Fitbit Alta HR vs. Fitbit Flex vs. Apple Watch Series 4 vs. Apple Watch 7 vs. Fitbit Inspire 3

 
Alta HR
Flex
Watch Series 4
Watch 7
Inspire 3
 FitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch 7Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$150$100$329$429$100
Release20172013201820212022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 daysNot Yet18 Hours10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 36NA384 x 480396 x 48432x18
Size1.4 inchesNA1.78 inches1.9 inches46 inches
TouchNA
TypeOLEDLEDMicroLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMNot Yetwater resistant but not waterproof5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWatch OS 5WatchOS 8
Apps
Music

All Wearables