Fitbit Alta vs. Fitbit Versa vs. Fitbit Flex vs. Apple Watch Series 4 vs. Apple Watch 8

 
Alta
Versa
Flex
Watch Series 4
Watch 8
 FitbitAltaRemove Buy NowFitbitVersaRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$130$199.99$100$329$499
Release20162018201320182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4 days5 daysNot Yet18 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a300 x300NA384 x 480340 x 272 or 390 x 312
Sizen/a1.34 inchesNA1.78 inches1.5 inches or 1.65 inches
Touchn/aNA
TypeOLEDOLEDLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATMNot Yet5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aNAWatch OS 5WatchOS 9
Apps
Music

All Wearables