Fitbit Alta vs. Moov Now vs. Fitbit Flex vs. Apple Watch Series 4 vs. Apple Watch 8

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

Basic Info

Suggested Price$130$79$100$329$499
Release20162015201320182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months5 daysNot Yet18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA384 x 480340 x 272 or 390 x 312
Sizen/an/aNA1.78 inches1.5 inches or 1.65 inches
Touchn/an/aNA
TypeOLEDn/aLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistancen/an/a1 ATMNot Yet5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNAWatch OS 5WatchOS 9
Apps
Music

All Wearables