Fitbit Alta vs. Fitbit Flex 2 vs. Michael Kors Access Sofie vs. Fitbit Charge HR vs. Garmin Forerunner 45

 
Alta
Flex 2
Access Sofie
Charge HR
Forerunner 45
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitCharge HRRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$130$100$395$150$199
Release20162016201720152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 day5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a390 x 390 1.19 inchesNA208 x 208
Sizen/an/aNA1.04 inches
Touchn/an/aAMOLDEDNA
TypeOLEDLEDOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0NABuilt-in
Apps
Music

All Wearables