Fitbit Alta vs. Fitbit Zip vs. Fitbit Flex vs. Apple Watch Series 4 vs. Apple Watch Series 5

 
Alta
Zip
Flex
Watch Series 4
Watch Series 5
 FitbitAltaRemove Buy NowFitbitZipRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch Series 5Remove Buy Now

Basic Info

Suggested Price$130$60$100$329$329
Release20162012201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months5 daysNot YetNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA384 x 480384 x 480
Sizen/an/aNA1.78 inches1.78 Inches
Touchn/aNA
TypeOLEDn/aLEDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplash Resistant1 ATMNot YetNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

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

All Wearables