Fitbit Alta vs. Fitbit Flex 2 vs. Michael Kors Access Sofie vs. Apple Series 6 vs. Apple Watch Ultra

 
Alta
Flex 2
Access Sofie
Series 6
Watch Ultra
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowAppleSeries 6Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$130$100$395$399$799
Release20162016201720202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 dayNot yet36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a390 x 390 1.19 inches384 x 480502x410 pixels
Sizen/an/a40mm1.92 inches
Touchn/an/aAMOLDED
TypeOLEDLEDMicroLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATM1 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0WatchOS 5WatchOS 9
Apps
Music

All Wearables