Fitbit Alta vs. Apple Watch Series 2 vs. Fitbit Flex vs. Apple Watch Series 4 vs. Fitbit Inspire 3

 
Alta
Watch Series 2
Flex
Watch Series 4
Inspire 3
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$130$269$100$329$100
Release20162016201320182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours5 daysNot Yet10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312NA384 x 48032x18
Sizen/a1.5 inches or 1.65 inchesNA1.78 inches46 inches
Touchn/aNA
TypeOLEDAMOLEDLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM1 ATMNot Yet5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSNAWatch OS 5
Apps
Music

All Wearables